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) /// Use kmemdup rather than duplicating its implementation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) ///
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) // Confidence: High
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) // Copyright: (C) 2010-2012 Nicolas Palix.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) // Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) // Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) // URL: http://coccinelle.lip6.fr/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) // Comments:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) // Options: --no-includes --include-headers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) virtual patch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) virtual context
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) virtual org
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) virtual report
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) @r1@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) expression from,to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) expression flag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) position p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) @@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)    to = \(kmalloc@p\|kzalloc@p\)(strlen(from) + 1,flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) @r2@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) expression x,from,to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) expression flag,E1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) position p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) @@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)     x = strlen(from) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)     ... when != \( x = E1 \| from = E1 \)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)     to = \(kmalloc@p\|kzalloc@p\)(x,flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) @depends on patch@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) expression from,to,size,flag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) position p != {r1.p,r2.p};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) statement S;
^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) -  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) +  to = kmemdup(from,size,flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)    if (to==NULL || ...) S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) -  memcpy(to, from, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) @r depends on !patch@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) expression from,to,size,flag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) position p != {r1.p,r2.p};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) statement S;
^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) *  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)    if (to==NULL || ...) S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) *  memcpy(to, from, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) @script:python depends on org@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) p << r.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) coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdup")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) @script:python depends on report@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) p << r.p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) @@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) coccilib.report.print_report(p[0], "WARNING opportunity for kmemdup")