[PATCH 5.15 050/667] b43: Fix assigning negative value to unsigned variable

From: Greg Kroah-Hartman
Date: Tue Jun 07 2022 - 14:18:48 EST


From: Haowen Bai <baihaowen@xxxxxxxxx>

[ Upstream commit 11800d893b38e0e12d636c170c1abc19c43c730c ]

fix warning reported by smatch:
drivers/net/wireless/broadcom/b43/phy_n.c:585 b43_nphy_adjust_lna_gain_table()
warn: assigning (-2) to unsigned variable '*(lna_gain[0])'

Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/1648203315-28093-1-git-send-email-baihaowen@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/wireless/broadcom/b43/phy_n.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/b43/phy_n.c b/drivers/net/wireless/broadcom/b43/phy_n.c
index cf3ccf4ddfe7..aa5c99465674 100644
--- a/drivers/net/wireless/broadcom/b43/phy_n.c
+++ b/drivers/net/wireless/broadcom/b43/phy_n.c
@@ -582,7 +582,7 @@ static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
u16 data[4];
s16 gain[2];
u16 minmax[2];
- static const u16 lna_gain[4] = { -2, 10, 19, 25 };
+ static const s16 lna_gain[4] = { -2, 10, 19, 25 };

if (nphy->hang_avoid)
b43_nphy_stay_in_carrier_search(dev, 1);
--
2.35.1