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authorJan Kara <jack@suse.cz>2014-10-22 11:17:24 +0400
committerIlya Dryomov <idryomov@redhat.com>2014-10-30 13:11:51 +0300
commita8d4205623ae965e36c68629db306ca0695a2771 (patch)
tree71dbbf025b9b73f4788c229f6a3311c0834ea239 /drivers/block/rbd.c
parent89baaa570ab0b476db09408d209578cfed700e9f (diff)
downloadlinux-a8d4205623ae965e36c68629db306ca0695a2771.tar.xz
rbd: Fix error recovery in rbd_obj_read_sync()
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 CC: stable@vger.kernel.org Coverity-id: 1226882 Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
Diffstat (limited to 'drivers/block/rbd.c')
-rw-r--r--drivers/block/rbd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index be8d44af6ae1..27b71a0b72d0 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3533,7 +3533,7 @@ 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,