armbian/linux-rockchip
0
0
Fork 0
mirror of https://github.com/armbian/linux-rockchip.git synced 2026-01-06 11:08:10 -08:00
Code Issues Packages Projects Releases Wiki Activity

UPSTREAM: scsi: ufs: ufs-mediatek: Fix error checking in ufs_mtk_init_va09_pwr_ctrl()

Browse Source 
The function regulator_get() returns an error pointer. Use IS_ERR() to
validate the return value.

Bug: 254441685
Link: https://lore.kernel.org/r/20211222070930.9449-1-linmq006@gmail.com
Fixes: cf137b3ea4 ("scsi: ufs-mediatek: Support VA09 regulator operations")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
(cherry picked from commit 3ba880a12d)
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: Iccf8b09bb8f837139cb4bc7bfc21b29d3423d5b9
This commit is contained in:
Miaoqian Lin
2021-12-22 07:09:30 +00:00
committed by Lee Jones
parent b3609875ce
commit 8d34761975
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/ufs/ufs-mediatek.c
View File

@@ -501,7 +501,7 @@ static void ufs_mtk_init_va09_pwr_ctrl(struct ufs_hba *hba)
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
host->reg_va09 = regulator_get(hba->dev, "va09");
if (!host->reg_va09)
if (IS_ERR(host->reg_va09))
dev_info(hba->dev, "failed to get va09");
else
host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;