^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Module Name: nsnames - Name manipulation and search
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "amlcode.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "acnamesp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define _COMPONENT ACPI_NAMESPACE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) ACPI_MODULE_NAME("nsnames")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * FUNCTION: acpi_ns_get_external_pathname
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * PARAMETERS: node - Namespace node whose pathname is needed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * RETURN: Pointer to storage containing the fully qualified name of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * the node, In external format (name segments separated by path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * separators.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * DESCRIPTION: Used to obtain the full pathname to a namespace node, usually
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * for error and debug statements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) char *name_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) ACPI_FUNCTION_TRACE_PTR(ns_get_external_pathname, node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) name_buffer = acpi_ns_get_normalized_pathname(node, FALSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) return_PTR(name_buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * FUNCTION: acpi_ns_get_pathname_length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * PARAMETERS: node - Namespace node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * RETURN: Length of path, including prefix
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * DESCRIPTION: Get the length of the pathname string for this node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) acpi_size size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /* Validate the Node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) ACPI_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) "Invalid/cached reference target node: %p, descriptor type %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) node, ACPI_GET_DESCRIPTOR_TYPE(node)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) return (0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) size = acpi_ns_build_normalized_path(node, NULL, 0, FALSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) return (size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * FUNCTION: acpi_ns_handle_to_name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * PARAMETERS: target_handle - Handle of named object whose name is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * to be found
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * buffer - Where the name is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * RETURN: Status, Buffer is filled with name if status is AE_OK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * DESCRIPTION: Build and return a full namespace name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) acpi_ns_handle_to_name(acpi_handle target_handle, struct acpi_buffer *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct acpi_namespace_node *node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) const char *node_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) ACPI_FUNCTION_TRACE_PTR(ns_handle_to_name, target_handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) node = acpi_ns_validate_handle(target_handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (!node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return_ACPI_STATUS(AE_BAD_PARAMETER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /* Validate/Allocate/Clear caller buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) status = acpi_ut_initialize_buffer(buffer, ACPI_PATH_SEGMENT_LENGTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) /* Just copy the ACPI name from the Node and zero terminate it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) node_name = acpi_ut_get_node_name(node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) ACPI_COPY_NAMESEG(buffer->pointer, node_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ((char *)buffer->pointer)[ACPI_NAMESEG_SIZE] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%4.4s\n", (char *)buffer->pointer));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) * FUNCTION: acpi_ns_handle_to_pathname
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) * PARAMETERS: target_handle - Handle of named object whose name is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * to be found
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * buffer - Where the pathname is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * no_trailing - Remove trailing '_' for each name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * segment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * RETURN: Status, Buffer is filled with pathname if status is AE_OK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * DESCRIPTION: Build and return a full namespace pathname
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) acpi_ns_handle_to_pathname(acpi_handle target_handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) struct acpi_buffer *buffer, u8 no_trailing)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct acpi_namespace_node *node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) acpi_size required_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) ACPI_FUNCTION_TRACE_PTR(ns_handle_to_pathname, target_handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) node = acpi_ns_validate_handle(target_handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (!node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return_ACPI_STATUS(AE_BAD_PARAMETER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) /* Determine size required for the caller buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) required_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) acpi_ns_build_normalized_path(node, NULL, 0, no_trailing);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (!required_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return_ACPI_STATUS(AE_BAD_PARAMETER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) /* Validate/Allocate/Clear caller buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) status = acpi_ut_initialize_buffer(buffer, required_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) /* Build the path in the caller buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) (void)acpi_ns_build_normalized_path(node, buffer->pointer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) (u32)required_size, no_trailing);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s [%X]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) (char *)buffer->pointer, (u32) required_size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * FUNCTION: acpi_ns_build_normalized_path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * PARAMETERS: node - Namespace node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) * full_path - Where the path name is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) * path_size - Size of returned path name buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) * no_trailing - Remove trailing '_' from each name segment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) * RETURN: Return 1 if the AML path is empty, otherwise returning (length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) * of pathname + 1) which means the 'FullPath' contains a trailing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * null.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * DESCRIPTION: Build and return a full namespace pathname.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) * Note that if the size of 'FullPath' isn't large enough to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * contain the namespace node's path name, the actual required
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) * buffer length is returned, and it should be greater than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) * 'PathSize'. So callers are able to check the returning value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) * to determine the buffer size of 'FullPath'.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) acpi_ns_build_normalized_path(struct acpi_namespace_node *node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) char *full_path, u32 path_size, u8 no_trailing)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) u32 length = 0, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) char name[ACPI_NAMESEG_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) u8 do_no_trailing;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) char c, *left, *right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) struct acpi_namespace_node *next_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) ACPI_FUNCTION_TRACE_PTR(ns_build_normalized_path, node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) #define ACPI_PATH_PUT8(path, size, byte, length) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) if ((length) < (size)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) (path)[(length)] = (byte); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) (length)++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) * Make sure the path_size is correct, so that we don't need to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) * validate both full_path and path_size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (!full_path) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) path_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (!node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) goto build_trailing_null;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) next_node = node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) while (next_node && next_node != acpi_gbl_root_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) if (next_node != node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) ACPI_PATH_PUT8(full_path, path_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) AML_DUAL_NAME_PREFIX, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ACPI_MOVE_32_TO_32(name, &next_node->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) do_no_trailing = no_trailing;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) for (i = 0; i < 4; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) c = name[4 - i - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (do_no_trailing && c != '_') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) do_no_trailing = FALSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) if (!do_no_trailing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) ACPI_PATH_PUT8(full_path, path_size, c, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) next_node = next_node->parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) ACPI_PATH_PUT8(full_path, path_size, AML_ROOT_PREFIX, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) /* Reverse the path string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) if (length <= path_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) left = full_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) right = full_path + length - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) while (left < right) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) c = *left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) *left++ = *right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) *right-- = c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) /* Append the trailing null */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) build_trailing_null:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) ACPI_PATH_PUT8(full_path, path_size, '\0', length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) #undef ACPI_PATH_PUT8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) return_UINT32(length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) * FUNCTION: acpi_ns_get_normalized_pathname
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) * PARAMETERS: node - Namespace node whose pathname is needed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) * no_trailing - Remove trailing '_' from each name segment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) * RETURN: Pointer to storage containing the fully qualified name of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) * the node, In external format (name segments separated by path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) * separators.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) * DESCRIPTION: Used to obtain the full pathname to a namespace node, usually
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) * for error and debug statements. All trailing '_' will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * removed from the full pathname if 'NoTrailing' is specified..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) char *acpi_ns_get_normalized_pathname(struct acpi_namespace_node *node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) u8 no_trailing)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) char *name_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) acpi_size size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) ACPI_FUNCTION_TRACE_PTR(ns_get_normalized_pathname, node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) /* Calculate required buffer size based on depth below root */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) size = acpi_ns_build_normalized_path(node, NULL, 0, no_trailing);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) if (!size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) return_PTR(NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) /* Allocate a buffer to be returned to caller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) name_buffer = ACPI_ALLOCATE_ZEROED(size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) if (!name_buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) ACPI_ERROR((AE_INFO, "Could not allocate %u bytes", (u32)size));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return_PTR(NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) /* Build the path in the allocated buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) (void)acpi_ns_build_normalized_path(node, name_buffer, (u32)size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) no_trailing);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) ACPI_DEBUG_PRINT_RAW((ACPI_DB_NAMES, "%s: Path \"%s\"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) ACPI_GET_FUNCTION_NAME, name_buffer));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) return_PTR(name_buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * FUNCTION: acpi_ns_build_prefixed_pathname
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) * PARAMETERS: prefix_scope - Scope/Path that prefixes the internal path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) * internal_path - Name or path of the namespace node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) * DESCRIPTION: Construct a fully qualified pathname from a concatenation of:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) * 1) Path associated with the prefix_scope namespace node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) * 2) External path representation of the Internal path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) char *acpi_ns_build_prefixed_pathname(union acpi_generic_state *prefix_scope,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) const char *internal_path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) char *full_path = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) char *external_path = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) char *prefix_path = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) acpi_size prefix_path_length = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) /* If there is a prefix, get the pathname to it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) if (prefix_scope && prefix_scope->scope.node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) prefix_path =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) acpi_ns_get_normalized_pathname(prefix_scope->scope.node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) TRUE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (prefix_path) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) prefix_path_length = strlen(prefix_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) status = acpi_ns_externalize_name(ACPI_UINT32_MAX, internal_path,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) NULL, &external_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) /* Merge the prefix path and the path. 2 is for one dot and trailing null */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) full_path =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) ACPI_ALLOCATE_ZEROED(prefix_path_length + strlen(external_path) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (!full_path) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) /* Don't merge if the External path is already fully qualified */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) if (prefix_path && (*external_path != '\\') && (*external_path != '^')) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) strcat(full_path, prefix_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) if (prefix_path[1]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) strcat(full_path, ".");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) acpi_ns_normalize_pathname(external_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) strcat(full_path, external_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) cleanup:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) if (prefix_path) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) ACPI_FREE(prefix_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) if (external_path) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) ACPI_FREE(external_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) return (full_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) * FUNCTION: acpi_ns_normalize_pathname
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) * PARAMETERS: original_path - Path to be normalized, in External format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) * RETURN: The original path is processed in-place
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) * DESCRIPTION: Remove trailing underscores from each element of a path.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) * For example: \A___.B___.C___ becomes \A.B.C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) void acpi_ns_normalize_pathname(char *original_path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) char *input_path = original_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) char *new_path_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) char *new_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) /* Allocate a temp buffer in which to construct the new path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) new_path_buffer = ACPI_ALLOCATE_ZEROED(strlen(input_path) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) new_path = new_path_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) if (!new_path_buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) /* Special characters may appear at the beginning of the path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) if (*input_path == '\\') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) *new_path = *input_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) new_path++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) input_path++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) while (*input_path == '^') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) *new_path = *input_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) new_path++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) input_path++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) /* Remainder of the path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) while (*input_path) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) /* Do one nameseg at a time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) for (i = 0; (i < ACPI_NAMESEG_SIZE) && *input_path; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) if ((i == 0) || (*input_path != '_')) { /* First char is allowed to be underscore */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) *new_path = *input_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) new_path++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) input_path++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) /* Dot means that there are more namesegs to come */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) if (*input_path == '.') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) *new_path = *input_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) new_path++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) input_path++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) *new_path = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) strcpy(original_path, new_path_buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) ACPI_FREE(new_path_buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) }