From: Haowen Bai baihaowen@meizu.com
stable inclusion from stable-v5.10.121 commit 005990e30d14b1d70eceaaf712c413046be3b2d6 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit b8ff3395fbdf3b79a99d0ef410fc34c51044121e ]
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@meizu.com Acked-by: Edward Cree ecree.xilinx@gmail.com Link: https://lore.kernel.org/r/1649640757-30041-1-git-send-email-baihaowen@meizu.... Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.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 6f950979d25e..fa1a872c4bc8 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -2240,7 +2240,7 @@ int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb, * guaranteed to satisfy the second as we only attempt TSO if * inner_network_header <= 208. */ - ip_tot_len = -EFX_TSO2_MAX_HDRLEN; + ip_tot_len = 0x10000 - EFX_TSO2_MAX_HDRLEN; EFX_WARN_ON_ONCE_PARANOID(mss + EFX_TSO2_MAX_HDRLEN + (tcp->doff << 2u) > ip_tot_len);