Commit 4e50ebde authored Apr 07, 2014 by Josh Triplett Committed by Linus Torvalds Apr 07, 2014

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



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>

parent a3f7607d

include/asm-generic/bug.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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