mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 23:23:55 +08:00
7f904d7e1f
Based on 1 normalized pattern(s): gplv2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 58 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081207.556988620@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
50 lines
1.2 KiB
Plaintext
50 lines
1.2 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
|
|
/// The various basic memory allocation functions don't return ERR_PTR
|
|
///
|
|
// Confidence: High
|
|
// Copyright: (C) 2010-2012 Nicolas Palix.
|
|
// Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6.
|
|
// Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6.
|
|
// URL: http://coccinelle.lip6.fr/
|
|
// Comments:
|
|
// Options: --no-includes --include-headers
|
|
|
|
virtual patch
|
|
virtual context
|
|
virtual org
|
|
virtual report
|
|
|
|
@depends on patch@
|
|
expression x,E;
|
|
@@
|
|
|
|
x = \(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...)
|
|
... when != x = E
|
|
- IS_ERR(x)
|
|
+ !x
|
|
|
|
@r depends on !patch exists@
|
|
expression x,E;
|
|
position p1,p2;
|
|
@@
|
|
|
|
*x = \(kmalloc@p1\|kzalloc@p1\|kcalloc@p1\|kmem_cache_alloc@p1\|kmem_cache_zalloc@p1\|kmem_cache_alloc_node@p1\|kmalloc_node@p1\|kzalloc_node@p1\)(...)
|
|
... when != x = E
|
|
* IS_ERR@p2(x)
|
|
|
|
@script:python depends on org@
|
|
p1 << r.p1;
|
|
p2 << r.p2;
|
|
@@
|
|
|
|
cocci.print_main("alloc call",p1)
|
|
cocci.print_secs("IS_ERR that should be NULL tests",p2)
|
|
|
|
@script:python depends on report@
|
|
p1 << r.p1;
|
|
p2 << r.p2;
|
|
@@
|
|
|
|
msg = "ERROR: allocation function on line %s returns NULL not ERR_PTR on failure" % (p1[0].line)
|
|
coccilib.report.print_report(p2[0], msg)
|