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Commit aeea8786 authored by Kangjie Lu's avatar Kangjie Lu Committed by Greg Kroah-Hartman
Browse files

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: default avatarKangjie Lu <kjlu@umn.edu>
Acked-by: default avatarAvri Altman <avri.altman@wdc.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 62e79f4c

drivers/scsi/ufs/ufs-hisi.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -544,6 +544,10 @@ static int ufs_hisi_init_common(struct ufs_hba *hba) 
	ufshcd_set_variant(hba, host);

	ufshcd_set_variant(hba, host);





	host->rst  = devm_reset_control_get(dev, "rst");

	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);

	ufs_hisi_set_pm_lvl(hba);