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: 69d54ce7491d ("wifi: mt76: mt7996: switch to single multi-radio wiphy")
Signed-off-by: Qasim Ijaz <qasdev00@xxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7996/main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
index 91c64e3a0860..32846da51cbc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
@@ -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;
--
2.39.5
