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bnx2x: Prevent null pointer dereference on SKB release

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On error flows its possible to free an SKB even if it was not allocated.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz 2015-08-10 12:49:35 +03:00 committed by David S. Miller
parent 21a447637d
commit e1615903eb
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
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@ -262,9 +262,9 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata,
if (likely(skb)) {
(*pkts_compl)++;
(*bytes_compl) += skb->len;
dev_kfree_skb_any(skb);
}
dev_kfree_skb_any(skb);
tx_buf->first_bd = 0;
tx_buf->skb = NULL;