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scsi: ufs: fix a missing check of devm_reset_control_get

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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>
This commit is contained in:
Kangjie Lu 2019-03-15 02:11:56 -05:00 committed by Martin K. Petersen
parent 9e2a07e128
commit 63a06181d7
1 changed files with 4 additions and 0 deletions
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drivers/scsi/ufs/ufs-hisi.c
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@ -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);