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slub: add __printf verification to ‘slab_err’:

PATCH New Mathieu Malaterre 1 participant 1 message May 5, 2018

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Memory management Slab allocator
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Mathieu Malaterre

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PATCH 1/1 slub: add __printf verification to ‘slab_err’:

__printf is useful to verify format and arguments. Remove the following warning (with W=1):

mm/slub.c:721:2: warning: function might be possible candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]

Signed-off-by Mathieu Malaterre <[email protected]>
---
 mm/slub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
mm/slub.c +1 -1
index 44aa7847324a..7d38cfb6a619 100644
@@ -711,7 +711,7 @@ void object_err(struct kmem_cache *s, struct page *page,
 	print_trailer(s, page, object);
 }
 
-static void slab_err(struct kmem_cache *s, struct page *page,
+static __printf(3, 4) void slab_err(struct kmem_cache *s, struct page *page,
 			const char *fmt, ...)
 {
 	va_list args;
Signature · 1 line
2.11.0