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>
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@ -4752,7 +4752,7 @@ static int rbd_dev_image_id(struct rbd_device *rbd_dev)
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image_id = ceph_extract_encoded_string(&p, p + ret,
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NULL, GFP_NOIO);
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ret = IS_ERR(image_id) ? PTR_ERR(image_id) : 0;
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ret = PTR_ERR_OR_ZERO(image_id);
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if (!ret)
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rbd_dev->image_format = 2;
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} else {
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