IB/core: Use PTR_ERR_OR_ZERO()

Fix ptr_ret.cocci warnings:
drivers/infiniband/core/uverbs_cmd.c:1156:1-3: 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

Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 16d55710b1162aa11ca2d8ed3dd1c1690f60acc8..adc6a2379c76a92c4c47d55410aabfca221a03f3 100644 (file)
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1145,10 +1145,7 @@ int ib_uverbs_ex_create_cq(struct ib_uverbs_file *file,
                        min(ucore->inlen, sizeof(cmd)),
                        ib_uverbs_ex_create_cq_cb, NULL);
 
-       if (IS_ERR(obj))
-               return PTR_ERR(obj);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(obj);
 }
 
 ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file,