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authorWei Yongjun <weiyj.lk@gmail.com>2016-07-30 00:37:57 +0000
committerIlya Dryomov <idryomov@gmail.com>2016-08-08 21:41:41 +0200
commitc22e853a2ed19321d00c1eae339ffdc4f5e7757e (patch)
treee490b26498c790a9dc06be590a974ea9dc231eb0 /net/ceph
parent29b4817d4018df78086157ea3a55c1d9424a7cfc (diff)
downloadlinux-c22e853a2ed19321d00c1eae339ffdc4f5e7757e.tar.bz2
libceph: fix return value check in alloc_msg_with_page_vector()
In case of error, the function ceph_alloc_page_vector() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: 1907920324f1 ('libceph: support for sending notifies') Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'net/ceph')
-rw-r--r--net/ceph/osd_client.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index b5ec09612ff7..a97e7b506612 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -4220,7 +4220,7 @@ static struct ceph_msg *alloc_msg_with_page_vector(struct ceph_msg_header *hdr)
pages = ceph_alloc_page_vector(calc_pages_for(0, data_len),
GFP_NOIO);
- if (!pages) {
+ if (IS_ERR(pages)) {
ceph_msg_put(m);
return NULL;
}