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 <s...@chromium.org>
---
Changes in v3: None
Changes in v2: None
include/linux/compat.h | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a43e4d6698..03f9bef0da 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -106,8 +106,12 @@ static inline void kmem_cache_destroy(struct kmem_cache
*cachep)
#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
#endif /* BUG */
-#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
- , __FILE__, __LINE__); }
+#define WARN_ON(condition) ({ \
+ 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
--
2.13.0.303.g4ebf302169-goog
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