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wifi: mt76: mt7996: avoid NULL pointer dereference in mt7996_set_monitor()

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The function mt7996_set_monitor() dereferences phy before
the NULL sanity check.

Fix this to avoid NULL pointer dereference by moving the
dereference after the check.

Fixes: 69d54ce749 ("wifi: mt76: mt7996: switch to single multi-radio wiphy")
Signed-off-by: Qasim Ijaz <qasdev00@gmail.com>
Link: https://patch.msgid.link/20250421112544.13430-1-qasdev00@gmail.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Qasim Ijaz 2025-04-21 12:25:44 +01:00 committed by Felix Fietkau
parent 7011faebe5
commit cb423ddad0
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/mediatek/mt76/mt7996/main.c
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@ -414,11 +414,13 @@ static void mt7996_phy_set_rxfilter(struct mt7996_phy *phy)
static void mt7996_set_monitor(struct mt7996_phy *phy, bool enabled)
{
struct mt7996_dev *dev = phy->dev;
struct mt7996_dev *dev;
if (!phy)
return;
dev = phy->dev;
if (enabled == !(phy->rxfilter & MT_WF_RFCR_DROP_OTHER_UC))
return;