[PATCH 6.0 290/862] wifi: mt76: fix uninitialized pointer in mt7921_mac_fill_rx

From: Greg Kroah-Hartman
Date: Wed Oct 19 2022 - 08:03:49 EST


From: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>

[ Upstream commit 9be57ad73984545d594ed359dac19457bcb9fc27 ]

Initialize msta pointer to NULL in mt7921_mac_fill_rx() in order to not
dereference a uninitialized pointer.

Fixes: 0880d40871d1d ("mt76: connac: move mt76_connac2_reverse_frag0_hdr_trans in mt76-connac module")
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 6bd9fc9228a2..e8a7a5831782 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -235,7 +235,7 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
u32 rxd2 = le32_to_cpu(rxd[2]);
u32 rxd3 = le32_to_cpu(rxd[3]);
u32 rxd4 = le32_to_cpu(rxd[4]);
- struct mt7921_sta *msta;
+ struct mt7921_sta *msta = NULL;
u16 seq_ctrl = 0;
__le16 fc = 0;
u8 mode = 0;
--
2.35.1