wifi: mt76: fix uninitialized pointer in mt7921_mac_fill_rx

[ 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@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 6bd9fc9228a27320b6979361900192811d3a93cc..e8a7a58317822fd82721d083bc51afd02ccb13a5 100644 (file)
--- 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;