From: Miaoqian Lin linmq006@gmail.com
commit 3ba880a12df5aa4488c18281701b5b1bc3d4531a upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/scsi/ufs/ufs-mediatek.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- 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(s 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;