[PATCH 3.18 08/85] mm/slub.c: add __printf verification to slab_err()

Greg Kroah-Hartman
2018-08-07T18:57:35Z

From: Mathieu Malaterre <malat@debian.org>

[ Upstream commit a38965bf941b7c2af50de09c96bc5f03e136caef ]

__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]

Link: http://lkml.kernel.org/r/20180505200706.19986-1-malat@debian.org
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
mm/slub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/slub.c
+++ b/mm/slub.c
@@ -636,7 +636,7 @@ static void object_err(struct kmem_cache
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;