[PATCH 5.15 049/667] b43legacy: Fix assigning negative value to unsigned variable

[Greg Kroah-Hartman]

From: Haowen Bai <baihaowen@xxxxxxxxx>

[ Upstream commit 3f6b867559b3d43a7ce1b4799b755e812fc0d503 ]

fix warning reported by smatch:
drivers/net/wireless/broadcom/b43legacy/phy.c:1181 b43legacy_phy_lo_b_measure()
warn: assigning (-772) to unsigned variable 'fval'

Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/1648203433-8736-1-git-send-email-baihaowen@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/wireless/broadcom/b43legacy/phy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/b43legacy/phy.c b/drivers/net/wireless/broadcom/b43legacy/phy.c
index 05404fbd1e70..c1395e622759 100644
--- a/drivers/net/wireless/broadcom/b43legacy/phy.c
+++ b/drivers/net/wireless/broadcom/b43legacy/phy.c
@@ -1123,7 +1123,7 @@ void b43legacy_phy_lo_b_measure(struct b43legacy_wldev *dev)
 	struct b43legacy_phy *phy = &dev->phy;
 	u16 regstack[12] = { 0 };
 	u16 mls;
-	u16 fval;
+	s16 fval;
 	int i;
 	int j;
 
-- 
2.35.1