/// 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. GPLv2.
// 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)
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