From 41470c379b4f8d9a1513d930338fadfbccc287b6 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 7 Sep 2017 10:29:26 +0300 Subject: pinctrl: sprd: check for allocation failure devm_pinctrl_get() could fail with ERR_PTR(-ENOMEM) so I have added a check for that. I also reversed the other IS_ERR() test because it was a little confusing to test one way and then the opposite a couple lines later. Fixes: 41d32cfce1ae ("pinctrl: sprd: Add Spreadtrum pin control driver") Signed-off-by: Dan Carpenter Signed-off-by: Linus Walleij --- drivers/pinctrl/sprd/pinctrl-sprd.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'drivers/pinctrl/sprd/pinctrl-sprd.c') diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.c b/drivers/pinctrl/sprd/pinctrl-sprd.c index c178b4a6d7f5..e52a01e1f662 100644 --- a/drivers/pinctrl/sprd/pinctrl-sprd.c +++ b/drivers/pinctrl/sprd/pinctrl-sprd.c @@ -1100,12 +1100,16 @@ int sprd_pinctrl_remove(struct platform_device *pdev) void sprd_pinctrl_shutdown(struct platform_device *pdev) { - struct pinctrl *pinctl = devm_pinctrl_get(&pdev->dev); + struct pinctrl *pinctl; struct pinctrl_state *state; + pinctl = devm_pinctrl_get(&pdev->dev); + if (IS_ERR(pinctl)) + return; state = pinctrl_lookup_state(pinctl, "shutdown"); - if (!IS_ERR(state)) - pinctrl_select_state(pinctl, state); + if (IS_ERR(state)) + return; + pinctrl_select_state(pinctl, state); } MODULE_DESCRIPTION("SPREADTRUM Pin Controller Driver"); -- cgit v1.2.1