diff options
| author | Kangjie Lu <kjlu@umn.edu> | 2019-03-15 02:11:56 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-31 06:46:32 -0700 |
| commit | aeea87865aa74eb3931ebe6f77c57ff484e95528 (patch) | |
| tree | 6dfca39b925dcd56bcda3a19f56c51af9f5b5e7a /drivers/scsi | |
| parent | 62e79f4c6bc05c32be43e2532fe12c082429af27 (diff) | |
scsi: ufs: fix a missing check of devm_reset_control_get
[ 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@umn.edu>
Acked-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/ufs/ufs-hisi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c index 452e19f8fb47..c2cee73a8560 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); |