From: Alice Chao <alice.chao@xxxxxxxxxxxx> NULL pointer access issue was found for the regulator released by ufs_mtk_vreg_fix_vccq(). Simply fix this issue by clearing the released vreg pointer in ufs_hba struct. Reviewed-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx> Signed-off-by: Alice Chao <alice.chao@xxxxxxxxxxxx> Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx> --- drivers/ufs/host/ufs-mediatek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 125d64e097f2..2404df9c3a01 100755 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -758,6 +758,7 @@ static void ufs_mtk_vreg_fix_vccqx(struct ufs_hba *hba) regulator_disable((*vreg_off)->reg); devm_kfree(hba->dev, (*vreg_off)->name); devm_kfree(hba->dev, *vreg_off); + *vreg_off = NULL; } } -- 2.18.0
