diff options
| author | Kangjie Lu <kjlu@umn.edu> | 2019-03-15 02:11:56 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-03-19 14:36:28 -0400 |
| commit | 63a06181d7ce169d09843645c50fea1901bc9f0a (patch) | |
| tree | 8df0cf2f35dd1cbbc0af4aba04744be6f0199469 /drivers/scsi/ufs/ufs-hisi.c | |
| parent | 9e2a07e128ae844a14e32d964443cff0688da2aa (diff) | |
scsi: ufs: fix a missing check of devm_reset_control_get
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>
Diffstat (limited to 'drivers/scsi/ufs/ufs-hisi.c')
| -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 0e855b5afe82..2f592df921d9 100644 --- a/drivers/scsi/ufs/ufs-hisi.c +++ b/drivers/scsi/ufs/ufs-hisi.c @@ -587,6 +587,10 @@ 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); |