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ceph: checking for IS_ERR instead of NULL

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ceph_osdc_alloc_request() returns NULL on error, it never returns error
pointers.

Fixes: 5be0389dac ('ceph: re-send AIO write request when getting -EOLDSNAP error')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Dan Carpenter 2016-01-26 12:24:44 +03:00 committed by Ilya Dryomov
parent 36f90b0a2d
commit 1418bf076d
1 changed files with 2 additions and 2 deletions
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4
fs/ceph/file.c
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@ -698,8 +698,8 @@ static void ceph_aio_retry_work(struct work_struct *work)
req = ceph_osdc_alloc_request(orig_req->r_osdc, snapc, 2,
false, GFP_NOFS);
if (IS_ERR(req)) {
ret = PTR_ERR(req);
if (!req) {
ret = -ENOMEM;
req = orig_req;
goto out;
}