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slub: add __printf verification to ‘slab_err’:

Message ID 20180505200706.19986-1-malat@debian.org (mailing list archive)
State New, archived
Headers show

Commit Message

Mathieu Malaterre May 5, 2018, 8:07 p.m. UTC
__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 <malat@debian.org>
 mm/slub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/mm/slub.c b/mm/slub.c
index 44aa7847324a..7d38cfb6a619 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -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;