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bnxt_en: Fix "uninitialized variable" bug in TPA code path.

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[ Upstream commit 719ca81114 ]

In the TPA GRO code path, initialize the tcp_opt_len variable to 0 so
that it will be correct for packets without TCP timestamps.  The bug
caused the SKB fields to be incorrectly set up for packets without
TCP timestamps, leading to these packets being rejected by the stack.

Reported-by: Andy Gospodarek <andrew.gospodarek@broadocm.com>
Acked-by: Andy Gospodarek <andrew.gospodarek@broadocm.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Chan
2017-01-17 22:07:19 -05:00
committed by Greg Kroah-Hartman
parent da805bc788
commit a7a2a6d34f
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@@ -1097,7 +1097,7 @@ static struct sk_buff *bnxt_gro_func_5730x(struct bnxt_tpa_info *tpa_info,
{
#ifdef CONFIG_INET
struct tcphdr *th;
int len, nw_off, tcp_opt_len;
int len, nw_off, tcp_opt_len = 0;
if (tcp_ts)
tcp_opt_len = 12;