[PATCH] scsi: ufs: Use PTR_ERR_OR_ZERO to replace the open coded version

[Wen Yang]

PTR_ERR_OR_ZERO has implemented the same function, so use inlined function
instead of open coded equivalent.

Signed-off-by: Wen Yang <wen.yang99@xxxxxxxxxx>
CC: Vinayak Holikatti <vinholikatti@xxxxxxxxx>
CC: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxxxx>
CC: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
CC: linux-scsi@xxxxxxxxxxxxxxx
CC: Wen Yang <yellowriver2010@xxxxxxxxxxx>
CC: linux-kernel@xxxxxxxxxxxxxxx
---
 drivers/scsi/ufs/ufs-hisi.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c
index 452e19f..6fdf059 100644
--- a/drivers/scsi/ufs/ufs-hisi.c
+++ b/drivers/scsi/ufs/ufs-hisi.c
@@ -514,10 +514,7 @@ static int ufs_hisi_get_resource(struct ufs_hisi_host *host)
 	/* get resource of ufs sys ctrl */
 	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	host->ufs_sys_ctrl = devm_ioremap_resource(dev, mem_res);
-	if (IS_ERR(host->ufs_sys_ctrl))
-		return PTR_ERR(host->ufs_sys_ctrl);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(host->ufs_sys_ctrl);
 }
 
 static void ufs_hisi_set_pm_lvl(struct ufs_hba *hba)
-- 
2.9.5