[PATCH v2] scsi: ufs: ufs-mediatek : Fix NULL vs IS_ERR checking in ufs_mtk_init_va09_pwr_ctrl

From: Miaoqian Lin
Date: Wed Dec 22 2021 - 02:09:41 EST


The function regulator_get() return error pointer,
use IS_ERR() to check if has error.

Fixes: cf137b3ea49a ("scsi: ufs-mediatek: Support VA09 regulator operations")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
drivers/scsi/ufs/ufs-mediatek.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 5393b5c9dd9c..86a938075f30 100644
--- 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;
--
2.17.1