^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/fs/9p/error.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Error string handling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Plan 9 uses error strings, Unix uses error numbers. These functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * try to help manage that and provide for dynamically adding error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * mappings.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/jhash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <net/9p/9p.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * struct errormap - map string errors from Plan 9 to Linux numeric ids
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * @name: string sent over 9P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * @val: numeric id most closely representing @name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * @namelen: length of string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * @list: hash-table list for string lookup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct errormap {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) int namelen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct hlist_node list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define ERRHASHSZ 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static struct hlist_head hash_errmap[ERRHASHSZ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* FixMe - reduce to a reasonable size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static struct errormap errmap[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {"Operation not permitted", EPERM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {"wstat prohibited", EPERM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {"No such file or directory", ENOENT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {"directory entry not found", ENOENT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {"file not found", ENOENT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {"Interrupted system call", EINTR},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {"Input/output error", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {"No such device or address", ENXIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {"Argument list too long", E2BIG},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {"Bad file descriptor", EBADF},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {"Resource temporarily unavailable", EAGAIN},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {"Cannot allocate memory", ENOMEM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {"Permission denied", EACCES},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {"Bad address", EFAULT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {"Block device required", ENOTBLK},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {"Device or resource busy", EBUSY},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {"File exists", EEXIST},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) {"Invalid cross-device link", EXDEV},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {"No such device", ENODEV},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) {"Not a directory", ENOTDIR},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {"Is a directory", EISDIR},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {"Invalid argument", EINVAL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {"Too many open files in system", ENFILE},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {"Too many open files", EMFILE},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {"Text file busy", ETXTBSY},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {"File too large", EFBIG},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {"No space left on device", ENOSPC},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {"Illegal seek", ESPIPE},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) {"Read-only file system", EROFS},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) {"Too many links", EMLINK},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {"Broken pipe", EPIPE},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {"Numerical argument out of domain", EDOM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {"Numerical result out of range", ERANGE},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {"Resource deadlock avoided", EDEADLK},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {"File name too long", ENAMETOOLONG},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {"No locks available", ENOLCK},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {"Function not implemented", ENOSYS},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) {"Directory not empty", ENOTEMPTY},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) {"Too many levels of symbolic links", ELOOP},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) {"No message of desired type", ENOMSG},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {"Identifier removed", EIDRM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {"No data available", ENODATA},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {"Machine is not on the network", ENONET},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {"Package not installed", ENOPKG},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {"Object is remote", EREMOTE},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) {"Link has been severed", ENOLINK},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) {"Communication error on send", ECOMM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {"Protocol error", EPROTO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) {"Bad message", EBADMSG},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {"File descriptor in bad state", EBADFD},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {"Streams pipe error", ESTRPIPE},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) {"Too many users", EUSERS},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {"Socket operation on non-socket", ENOTSOCK},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) {"Message too long", EMSGSIZE},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) {"Protocol not available", ENOPROTOOPT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) {"Protocol not supported", EPROTONOSUPPORT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {"Socket type not supported", ESOCKTNOSUPPORT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {"Operation not supported", EOPNOTSUPP},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {"Protocol family not supported", EPFNOSUPPORT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {"Network is down", ENETDOWN},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {"Network is unreachable", ENETUNREACH},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {"Network dropped connection on reset", ENETRESET},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {"Software caused connection abort", ECONNABORTED},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {"Connection reset by peer", ECONNRESET},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {"No buffer space available", ENOBUFS},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {"Transport endpoint is already connected", EISCONN},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {"Transport endpoint is not connected", ENOTCONN},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {"Cannot send after transport endpoint shutdown", ESHUTDOWN},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {"Connection timed out", ETIMEDOUT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {"Connection refused", ECONNREFUSED},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {"Host is down", EHOSTDOWN},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {"No route to host", EHOSTUNREACH},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) {"Operation already in progress", EALREADY},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {"Operation now in progress", EINPROGRESS},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {"Is a named type file", EISNAM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {"Remote I/O error", EREMOTEIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) {"Disk quota exceeded", EDQUOT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) /* errors from fossil, vacfs, and u9fs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {"fid unknown or out of range", EBADF},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {"permission denied", EACCES},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {"file does not exist", ENOENT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) {"authentication failed", ECONNREFUSED},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {"bad offset in directory read", ESPIPE},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {"bad use of fid", EBADF},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {"wstat can't convert between files and directories", EPERM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {"directory is not empty", ENOTEMPTY},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {"file exists", EEXIST},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {"file already exists", EEXIST},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {"file or directory already exists", EEXIST},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {"fid already in use", EBADF},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {"file in use", ETXTBSY},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) {"i/o error", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) {"file already open for I/O", ETXTBSY},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {"illegal mode", EINVAL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {"illegal name", ENAMETOOLONG},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {"not a directory", ENOTDIR},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {"not a member of proposed group", EPERM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {"not owner", EACCES},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {"only owner can change group in wstat", EACCES},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) {"read only file system", EROFS},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) {"no access to special file", EPERM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {"i/o count too large", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {"unknown group", EINVAL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {"unknown user", EINVAL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {"bogus wstat buffer", EPROTO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {"exclusive use file already open", EAGAIN},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {"corrupted directory entry", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) {"corrupted file entry", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) {"corrupted block label", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {"corrupted meta data", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) {"illegal offset", EINVAL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {"illegal path element", ENOENT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {"root of file system is corrupted", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {"corrupted super block", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) {"protocol botch", EPROTO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {"file system is full", ENOSPC},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) {"file is in use", EAGAIN},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {"directory entry is not allocated", ENOENT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {"file is read only", EROFS},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {"file has been removed", EIDRM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {"only support truncation to zero length", EPERM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) {"cannot remove root", EPERM},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {"file too big", EFBIG},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {"venti i/o error", EIO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /* these are not errors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {"u9fs rhostsauth: no authentication required", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {"u9fs authnone: no authentication required", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {NULL, -1}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * p9_error_init - preload mappings into hash list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) int p9_error_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct errormap *c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) int bucket;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /* initialize hash table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) for (bucket = 0; bucket < ERRHASHSZ; bucket++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) INIT_HLIST_HEAD(&hash_errmap[bucket]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) /* load initial error map into hash table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) for (c = errmap; c->name != NULL; c++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) c->namelen = strlen(c->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) bucket = jhash(c->name, c->namelen, 0) % ERRHASHSZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) INIT_HLIST_NODE(&c->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) hlist_add_head(&c->list, &hash_errmap[bucket]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) EXPORT_SYMBOL(p9_error_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * errstr2errno - convert error string to error number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) * @errstr: error string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) * @len: length of error string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) int p9_errstr2errno(char *errstr, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) int errno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct errormap *c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) int bucket;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) errno = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) c = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) bucket = jhash(errstr, len, 0) % ERRHASHSZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) hlist_for_each_entry(c, &hash_errmap[bucket], list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (c->namelen == len && !memcmp(c->name, errstr, len)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) errno = c->val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) break;
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) if (errno == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) /* TODO: if error isn't found, add it dynamically */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) errstr[len] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) pr_err("%s: server reported unknown error %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) __func__, errstr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) errno = ESERVERFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) return -errno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) EXPORT_SYMBOL(p9_errstr2errno);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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