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Date: Tue, 13 May 2014 14:57:27 +0000 From: "Ronciak, John" <john.ronciak@...el.com> To: "xuyongjiande@...il.com" <xuyongjiande@...il.com>, "eric.dumazet@...il.com" <eric.dumazet@...il.com> CC: "e1000-devel@...ts.sourceforge.net" <e1000-devel@...ts.sourceforge.net>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: RE: [E1000-devel] [PATCH] e1000: remove the check: skb->len<=0 > -----Original Message----- > From: xuyongjiande@...il.com [mailto:xuyongjiande@...il.com] > Sent: Monday, May 12, 2014 10:07 PM > To: eric.dumazet@...il.com > Cc: e1000-devel@...ts.sourceforge.net; netdev@...r.kernel.org; linux- > kernel@...r.kernel.org; Yongjian Xu > Subject: [E1000-devel] [PATCH] e1000: remove the check: skb->len<=0 > > From: Yongjian Xu <xuyongjiande@...il.com> > > There is no case skb->len would be 0 or 'negative'. > Remove the check. > > Signed-off-by: Yongjian Xu <xuyongjiande@...il.com> > --- > drivers/net/ethernet/intel/e1000/e1000_main.c | 5 ----- > 1 file changed, 5 deletions(-) > > diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c > b/drivers/net/ethernet/intel/e1000/e1000_main.c > index 27058df..660971f 100644 > --- a/drivers/net/ethernet/intel/e1000/e1000_main.c > +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c > @@ -3105,11 +3105,6 @@ static netdev_tx_t e1000_xmit_frame(struct > sk_buff *skb, > */ > tx_ring = adapter->tx_ring; > > - if (unlikely(skb->len <= 0)) { > - dev_kfree_skb_any(skb); > - return NETDEV_TX_OK; > - } > - > /* On PCI/PCI-X HW, if packet size is less than ETH_ZLEN, > * packets may get corrupted during padding by HW. > * To WA this issue, pad all small packets manually. > -- > 1.9.1 What is the exact problem that this is fixing? Did you have a test case that showed a problem with it? Cheers, John -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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