[ Upstream commit 63a06181d7ce169d09843645c50fea1901bc9f0a ]
devm_reset_control_get could fail, so the fix checks its return value and
passes the error code upstream in case it fails.
Signed-off-by: Kangjie Lu <kjlu@xxxxxxx>
Acked-by: Avri Altman <avri.altman@xxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/scsi/ufs/ufs-hisi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c
index 452e19f8fb470..c2cee73a8560d 100644
--- a/drivers/scsi/ufs/ufs-hisi.c
+++ b/drivers/scsi/ufs/ufs-hisi.c
@@ -544,6 +544,10 @@ static int ufs_hisi_init_common(struct ufs_hba *hba)
ufshcd_set_variant(hba, host);
host->rst = devm_reset_control_get(dev, "rst");
+ if (IS_ERR(host->rst)) {
+ dev_err(dev, "%s: failed to get reset control\n", __func__);
+ return PTR_ERR(host->rst);
+ }
ufs_hisi_set_pm_lvl(hba);
--
2.20.1
