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| author | Jan Kara <jack@suse.cz> | 2014-10-22 09:17:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-14 08:48:00 -0800 |
| commit | f693fddf24d1808a835b15c72c04d30c2df1e6e7 (patch) | |
| tree | 219fa475fbd7441c40875e2a071096c062a1502a | |
| parent | 5157bf1f2b4e8796bf5dc197155f7daacc9053ee (diff) | |
| download | lwn-f693fddf24d1808a835b15c72c04d30c2df1e6e7.tar.gz lwn-f693fddf24d1808a835b15c72c04d30c2df1e6e7.zip | |
rbd: Fix error recovery in rbd_obj_read_sync()
commit a8d4205623ae965e36c68629db306ca0695a2771 upstream.
When we fail to allocate page vector in rbd_obj_read_sync() we just
basically ignore the problem and continue which will result in an oops
later. Fix the problem by returning proper error.
CC: Yehuda Sadeh <yehuda@inktank.com>
CC: Sage Weil <sage@inktank.com>
CC: ceph-devel@vger.kernel.org
Coverity-id: 1226882
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/block/rbd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 07caf44d5755..9951e66b8502 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3227,7 +3227,7 @@ static int rbd_obj_read_sync(struct rbd_device *rbd_dev, page_count = (u32) calc_pages_for(offset, length); pages = ceph_alloc_page_vector(page_count, GFP_KERNEL); if (IS_ERR(pages)) - ret = PTR_ERR(pages); + return PTR_ERR(pages); ret = -ENOMEM; obj_request = rbd_obj_request_create(object_name, offset, length, |