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Update WARN_ON() to return a value

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In linux v4.9 this returns a value. This saves checking the warning
condition twice in some code.

Update the U-Boot version to do this also.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2017-05-18 20:08:52 -06:00
parent 01b120b639
commit fd7029029f
1 changed files with 6 additions and 2 deletions
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8
include/linux/compat.h
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@ -106,8 +106,12 @@ static inline void kmem_cache_destroy(struct kmem_cache *cachep)
#define BUG_ON(condition) do { if (condition) BUG(); } while(0) #define BUG_ON(condition) do { if (condition) BUG(); } while(0)
#endif /* BUG */ #endif /* BUG */
#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \ #define WARN_ON(condition) ({ \
, __FILE__, __LINE__); } int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
printf("WARNING in %s line %d\n", __FILE__, __LINE__);; \
unlikely(__ret_warn_on); \
})
#define PAGE_SIZE 4096 #define PAGE_SIZE 4096