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bug: when !CONFIG_BUG, make WARN call no_printk to check format and args

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The stub version of WARN for !CONFIG_BUG completely ignored its format
string and subsequent arguments; make it check them instead, using
no_printk.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Josh Triplett 2014-04-07 15:39:12 -07:00 committed by Linus Torvalds
parent a3f7607d09
commit 4e50ebde32
1 changed files with 1 additions and 0 deletions
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1
include/asm-generic/bug.h
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@ -155,6 +155,7 @@ extern void warn_slowpath_null(const char *file, const int line);
#ifndef WARN
#define WARN(condition, format...) ({ \
int __ret_warn_on = !!(condition); \
no_printk(format); \
unlikely(__ret_warn_on); \
})
#endif