mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 01:41:39 +00:00
![Thomas Gleixner](/assets/img/avatar_default.png)
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>
63 lines
1.5 KiB
Text
63 lines
1.5 KiB
Text
// SPDX-License-Identifier: GPL-2.0-only
|
|
/// Use BUG_ON instead of a if condition followed by BUG.
|
|
///
|
|
//# This makes an effort to find cases where BUG() follows an if
|
|
//# condition on an expression and replaces the if condition and BUG()
|
|
//# with a BUG_ON having the conditional expression of the if statement
|
|
//# as argument.
|
|
//
|
|
// Confidence: High
|
|
// Copyright: (C) 2014 Himangi Saraogi.
|
|
// Comments:
|
|
// Options: --no-includes --include-headers
|
|
|
|
virtual patch
|
|
virtual context
|
|
virtual org
|
|
virtual report
|
|
|
|
//----------------------------------------------------------
|
|
// For context mode
|
|
//----------------------------------------------------------
|
|
|
|
@depends on context@
|
|
expression e;
|
|
@@
|
|
|
|
*if (e) BUG();
|
|
|
|
//----------------------------------------------------------
|
|
// For patch mode
|
|
//----------------------------------------------------------
|
|
|
|
@depends on patch@
|
|
expression e;
|
|
@@
|
|
|
|
-if (e) BUG();
|
|
+BUG_ON(e);
|
|
|
|
//----------------------------------------------------------
|
|
// For org and report mode
|
|
//----------------------------------------------------------
|
|
|
|
@r depends on (org || report)@
|
|
expression e;
|
|
position p;
|
|
@@
|
|
|
|
if (e) BUG@p ();
|
|
|
|
@script:python depends on org@
|
|
p << r.p;
|
|
@@
|
|
|
|
coccilib.org.print_todo(p[0], "WARNING use BUG_ON")
|
|
|
|
@script:python depends on report@
|
|
p << r.p;
|
|
@@
|
|
|
|
msg="WARNING: Use BUG_ON instead of if condition followed by BUG.\nPlease make sure the condition has no side effects (see conditional BUG_ON definition in include/asm-generic/bug.h)"
|
|
coccilib.report.print_report(p[0], msg)
|
|
|