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>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
index 769874820f9b95b16a4e18fa4f5b4ecbac525e38..3028c02cb840e0df11fa88ed7d4c302f989fd89f 100644 (file)
--- 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: