[PATCH] RDMA/uverbs: fix ptr_ret.cocci warnings

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From: kbuild test robot <fengguang.wu@xxxxxxxxx>

drivers/infiniband/core/uverbs_cmd.c:1095:1-3: WARNING: PTR_ERR_OR_ZERO can be used


 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 7106a9769715 ("RDMA/uverbs: Make write() handlers return 0 on success")
Signed-off-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
---

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma for-next
head:   07f05f40d956d40f32852a7b3ff109a72d254cf9
commit: 7106a9769715bb4c0448927a29aa3b505855871c [31/37] RDMA/uverbs: Make write() handlers return 0 on success

 uverbs_cmd.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1092,10 +1092,7 @@ static int ib_uverbs_create_cq(struct uv
 			sizeof(cmd.comp_channel), ib_uverbs_create_cq_cb,
 			NULL);
 
-	if (IS_ERR(obj))
-		return PTR_ERR(obj);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(obj);
 }
 
 static int ib_uverbs_ex_create_cq_cb(struct uverbs_attr_bundle *attrs,



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