Orange Pi5 kernel

^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) /// Correct the size argument to alloc functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) ///
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) //# This makes an effort to find cases where the argument to sizeof is wrong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) //# in memory allocation functions by checking the type of the allocated memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) //# when it is a double pointer and ensuring the sizeof argument takes a pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) //# to the the memory being allocated. There are false positives in cases the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) //# sizeof argument is not used in constructing the return value. The result
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) //# may need some reformatting.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) // Confidence: Moderate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) // Copyright: (C) 2014 Himangi Saraogi.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) // Comments:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) // Options:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) virtual patch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) virtual context
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) virtual org
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) virtual report
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) //----------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) //  For context mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) //----------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) @depends on context disable sizeof_type_expr@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) type T;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) T **x;
^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)   x =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)   <+...sizeof(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * T
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)   )...+>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) //----------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) //  For patch mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) //----------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) @depends on patch disable sizeof_type_expr@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) type T;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) T **x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) @@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)   x =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)   <+...sizeof(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) - T
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) + *x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)   )...+>
^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) //  For org and report mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) //----------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) @r depends on (org || report) disable sizeof_type_expr@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) type T;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) T **x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) position p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) @@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)   x =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)   <+...sizeof(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)   T@p
^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) @script:python depends on org@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) p << r.p;
^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) coccilib.org.print_todo(p[0], "WARNING sizeof argument should be pointer type, not structure type")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) @script:python depends on report@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) p << r.p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) @@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) msg="WARNING: Use correct pointer type argument for sizeof"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) coccilib.report.print_report(p[0], msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)