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scsi: ufs: ufs-mediatek: Fix error checking in ufs_mtk_init_va09_pwr_ctrl()
author
Miaoqian Lin
<linmq006@gmail.com>
Wed, 22 Dec 2021 07:09:30 +0000
(07:09 +0000)
committer
Martin K. Petersen
<martin.petersen@oracle.com>
Mon, 10 Jan 2022 15:56:58 +0000
(10:56 -0500)
The function regulator_get() returns an error pointer. Use IS_ERR() to
validate the return value.
Link:
https://lore.kernel.org/r/20211222070930.9449-1-linmq006@gmail.com
Fixes:
cf137b3ea49a
("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>
drivers/scsi/ufs/ufs-mediatek.c
patch
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diff --git
a/drivers/scsi/ufs/ufs-mediatek.c
b/drivers/scsi/ufs/ufs-mediatek.c
index
5393b5c
..
86a9380
100644
(file)
--- a/
drivers/scsi/ufs/ufs-mediatek.c
+++ b/
drivers/scsi/ufs/ufs-mediatek.c
@@
-557,7
+557,7
@@
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;