diff mbox series

mt76: mt7915: fix possible uninitialized pointer dereference in mt7986_wmac_gpio_setup

Message ID 89680812804b5167622050717dc3931c86fd7cef.1649059572.git.lorenzo@kernel.org (mailing list archive)
State Accepted
Delegated to: Felix Fietkau
Headers show
Series mt76: mt7915: fix possible uninitialized pointer dereference in mt7986_wmac_gpio_setup | expand

Commit Message

Lorenzo Bianconi April 4, 2022, 8:08 a.m. UTC
Add default case for type switch in mt7986_wmac_gpio_setup routine in
order to avoid a possible uninitialized pointer dereference.

Fixes: 99ad32a4ca3a2 ("mt76: mt7915: add support for MT7986")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7915/soc.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
index 3028c02cb840..be448d471b03 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c
@@ -210,6 +210,8 @@  static int mt7986_wmac_gpio_setup(struct mt7915_dev *dev)
 		if (IS_ERR_OR_NULL(state))
 			return -EINVAL;
 		break;
+	default:
+		return -EINVAL;
 	}
 
 	ret = pinctrl_select_state(pinctrl, state);