netdev - [PATCH] sfc: ef10: Fix assigning negative value to unsigned variable

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Message-ID: <1649383888-2745-1-git-send-email-baihaowen@meizu.com>
Date:   Fri, 8 Apr 2022 10:11:28 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     Edward Cree <ecree.xilinx@...il.com>,
        Martin Habets <habetsm.xilinx@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        "Jakub Kicinski" <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
CC:     Haowen Bai <baihaowen@...zu.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] sfc: ef10: Fix assigning negative value to unsigned variable

fix warning reported by smatch:
251 drivers/net/ethernet/sfc/ef10.c:2259 efx_ef10_tx_tso_desc()
warn: assigning (-208) to unsigned variable 'ip_tot_len'

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 drivers/net/ethernet/sfc/ef10.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 50d535981a35..1434510dbdc9 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -2218,7 +2218,7 @@ int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
 	u16 outer_ipv4_id = 0;
 	struct tcphdr *tcp;
 	struct iphdr *ip;
-	u16 ip_tot_len;
+	s16 ip_tot_len;
 	u32 seqnum;
 	u32 mss;
 
-- 
2.7.4