From: Luis Henriques <lhenriques@suse.com>
To: Ilya Dryomov <idryomov@gmail.com>,
Jeff Layton <jlayton@kernel.org>, Sage Weil <sage@redhat.com>
Cc: ceph-devel@vger.kernel.org, linux-kernel@vger.kernel.org,
Luis Henriques <lhenriques@suse.com>
Subject: [PATCH 1/4] libceph: allow ceph_buffer_put() to receive a NULL ceph_buffer
Date: Fri, 19 Jul 2019 15:32:19 +0100 [thread overview]
Message-ID: <20190719143222.16058-2-lhenriques@suse.com> (raw)
In-Reply-To: <20190719143222.16058-1-lhenriques@suse.com>
Signed-off-by: Luis Henriques <lhenriques@suse.com>
---
include/linux/ceph/buffer.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/ceph/buffer.h b/include/linux/ceph/buffer.h
index 5e58bb29b1a3..11cdc7c60480 100644
--- a/include/linux/ceph/buffer.h
+++ b/include/linux/ceph/buffer.h
@@ -30,7 +30,8 @@ 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);
next prev parent reply other threads:[~2019-07-19 14:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-19 14:32 [PATCH 0/4] Sleeping functions in invalid context bug fixes Luis Henriques
2019-07-19 14:32 ` Luis Henriques [this message]
2019-07-19 14:32 ` [PATCH 2/4] ceph: fix buffer free while holding i_ceph_lock in __ceph_setxattr() Luis Henriques
2019-07-19 23:07 ` Jeff Layton
2019-07-19 23:23 ` Al Viro
2019-07-19 23:30 ` Al Viro
2019-07-20 0:35 ` Jeff Layton
2019-07-19 14:32 ` [PATCH 3/4] ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob() Luis Henriques
2019-07-19 14:32 ` [PATCH 4/4] ceph: fix buffer free while holding i_ceph_lock in fill_inode() Luis Henriques
2019-07-19 15:20 ` [PATCH 0/4] Sleeping functions in invalid context bug fixes Jeff Layton
2019-07-23 10:02 ` Ilya Dryomov
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