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| author | Luis Henriques <lhenriques@suse.com> | 2019-07-19 15:32:19 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-10 10:31:03 +0100 |
| commit | 05700fe421866f60f63fbb3a02852425a9bd9447 (patch) | |
| tree | 6a4e9f09146d3df204008b11e3085b2a9f39aa0d | |
| parent | b62d9297953f679747172465012daca87bee3f51 (diff) | |
| download | linux-stable-05700fe421866f60f63fbb3a02852425a9bd9447.tar.gz linux-stable-05700fe421866f60f63fbb3a02852425a9bd9447.tar.bz2 linux-stable-05700fe421866f60f63fbb3a02852425a9bd9447.zip | |
libceph: allow ceph_buffer_put() to receive a NULL ceph_buffer
[ Upstream commit 5c498950f730aa17c5f8a2cdcb903524e4002ed2 ]
Signed-off-by: Luis Henriques <lhenriques@suse.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | include/linux/ceph/buffer.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/ceph/buffer.h b/include/linux/ceph/buffer.h index 07ca15e76100..dada47a4360f 100644 --- a/include/linux/ceph/buffer.h +++ b/include/linux/ceph/buffer.h @@ -29,7 +29,8 @@ static inline struct ceph_buffer *ceph_buffer_get(struct ceph_buffer *b) static inline void ceph_buffer_put(struct ceph_buffer *b) { - kref_put(&b->kref, ceph_buffer_release); + if (b) + kref_put(&b->kref, ceph_buffer_release); } extern int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end); |