[PATCH 1/2] pinctrl: sprd: check for allocation failure

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

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 <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.c b/drivers/pinctrl/sprd/pinctrl-sprd.c
index 7e7b9ac7e836..673b77bbbc8c 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");
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