From 01318bc00d16947715e8f65a629806e5953a36ff Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 7 Mar 2022 17:13:49 +0300
Subject: [PATCH] mt76: mt7915: check for devm_pinctrl_get() failure
If devm_pinctrl_get() fails then it leads to an error pointer
dereference. Add a check to prevent that.
Fixes: 99ad32a4ca3a ("mt76: mt7915: add support for MT7986")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/net/wireless/mediatek/mt76/mt7915/soc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
index 769874820f9b9..3028c02cb840e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
@@ -196,6 +196,8 @@ static int mt7986_wmac_gpio_setup(struct mt7915_dev *dev)
type = mt7986_wmac_check_adie_type(dev);
pinctrl = devm_pinctrl_get(dev->mt76.dev);
+ if (IS_ERR(pinctrl))
+ return PTR_ERR(pinctrl);
switch (type) {
case ADIE_SB:
--
2.30.2