netdev - [PATCH] wireless: broadcom: b43: Fix assigning negative value to unsigned variable

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Message-ID: <1648109046-28108-1-git-send-email-baihaowen@meizu.com>
Date:   Thu, 24 Mar 2022 16:04:06 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     <kvalo@...nel.org>, <davem@...emloft.net>, <kuba@...nel.org>,
        <pabeni@...hat.com>
CC:     <linux-wireless@...r.kernel.org>, <b43-dev@...ts.infradead.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Haowen Bai <baihaowen@...zu.com>
Subject: [PATCH] wireless: broadcom: b43: Fix assigning negative value to unsigned variable

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@...zu.com>
---
 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 cf3ccf4d..aa5c994 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);
-- 
2.7.4