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) /// The various basic memory allocation functions don't return ERR_PTR
^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) @depends on patch@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) expression x,E;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) @@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) x = \(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) ... when != x = E
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) - IS_ERR(x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) + !x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) @r depends on !patch exists@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) expression x,E;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) position p1,p2;
^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 = \(kmalloc@p1\|kzalloc@p1\|kcalloc@p1\|kmem_cache_alloc@p1\|kmem_cache_zalloc@p1\|kmem_cache_alloc_node@p1\|kmalloc_node@p1\|kzalloc_node@p1\)(...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) ... when != x = E
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * IS_ERR@p2(x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) @script:python depends on org@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) p1 << r.p1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) p2 << r.p2;
^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) cocci.print_main("alloc call",p1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) cocci.print_secs("IS_ERR that should be NULL tests",p2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) @script:python depends on report@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) p1 << r.p1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) p2 << r.p2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) @@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) msg = "ERROR: allocation function on line %s returns NULL not ERR_PTR on failure" % (p1[0].line)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) coccilib.report.print_report(p2[0], msg)