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rbd: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO 

This patch fixes coccinelle error regarding usage of IS_ERR and
PTR_ERR instead of PTR_ERR_OR_ZERO.

Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Reviewed-by: Yan, Zheng <zheng.z.yan@intel.com>
This commit is contained in:
Duan Jiong 2014-04-11 16:38:12 +08:00 committed by Yan, Zheng
parent c6bcda6f52
commit 461f758ac0
1 changed files with 1 additions and 1 deletions
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drivers/block/rbd.c
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@ -4752,7 +4752,7 @@ static int rbd_dev_image_id(struct rbd_device *rbd_dev)
image_id = ceph_extract_encoded_string(&p, p + ret,
NULL, GFP_NOIO);
ret = IS_ERR(image_id) ? PTR_ERR(image_id) : 0;
ret = PTR_ERR_OR_ZERO(image_id);
if (!ret)
rbd_dev->image_format = 2;
} else {