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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Mathieu Malaterre <malat@debian.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Christoph Lameter <cl@linux.com>,
        Pekka Enberg <penberg@kernel.org>,
        David Rientjes <rientjes@google.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.4 014/124] mm/slub.c: add __printf verification to slab_err()
Date:   Sat,  4 Aug 2018 11:00:03 +0200
Message-Id: <20180804082702.983485337@linuxfoundation.org>
In-Reply-To: <20180804082702.434482435@linuxfoundation.org>
References: <20180804082702.434482435@linuxfoundation.org>
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4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

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
@@ -659,7 +659,7 @@ void object_err(struct kmem_cache *s, st
 	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;