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bug.h: Fix build with CONFIG_PRINTK disabled. 

Based upon an email by Joe Perches.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
This commit is contained in:
David S. Miller 2011-05-24 16:15:41 -04:00
parent 1f37070d3f
commit 6b36783546
1 changed files with 21 additions and 0 deletions
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21
include/asm-generic/bug.h
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@ -162,6 +162,8 @@ extern void warn_slowpath_null(const char *file, const int line);
unlikely(__ret_warn_once); \
})
#ifdef CONFIG_PRINTK
#define WARN_ON_RATELIMIT(condition, state) \
WARN_ON((condition) && __ratelimit(state))
@ -181,6 +183,25 @@ extern void warn_slowpath_null(const char *file, const int line);
__WARN_RATELIMIT(condition, &_rs, format); \
})
#else
#define WARN_ON_RATELIMIT(condition, state) \
WARN_ON(condition)
#define __WARN_RATELIMIT(condition, state, format...) \
({ \
int rtn = WARN(condition, format); \
rtn; \
})
#define WARN_RATELIMIT(condition, format...) \
({ \
int rtn = WARN(condition, format); \
rtn; \
})
#endif
/*
* WARN_ON_SMP() is for cases that the warning is either
* meaningless for !SMP or may even cause failures.