From: Florin Malita <fmalita@gmail.com>
Date: Sun, 4 Jun 2006 09:51:26 +0000 (-0700)
Subject: [PATCH] nmclan_cs: dereferencing skb after netif_rx()
X-Git-Tag: v2.6.17-rc6~43
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f258910733a8dbde368acc2ede4b8184ff0e09a;p=platform%2Fkernel%2Flinux-exynos.git

[PATCH] nmclan_cs: dereferencing skb after netif_rx()

From: Florin Malita <fmalita@gmail.com>

The skb may be gone after netif_rx(), we can't use 'skb->len' to update the
stats.  'pkt_len' should work instead.

Coverity CID: 911.

Signed-off-by: Florin Malita <fmalita@gmail.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/net/pcmcia/nmclan_cs.c b/drivers/net/pcmcia/nmclan_cs.c
index 4260c21..a8f6bfc 100644
--- a/drivers/net/pcmcia/nmclan_cs.c
+++ b/drivers/net/pcmcia/nmclan_cs.c
@@ -1204,7 +1204,7 @@ static int mace_rx(struct net_device *dev, unsigned char RxCnt)
 
 	dev->last_rx = jiffies;
 	lp->linux_stats.rx_packets++;
-	lp->linux_stats.rx_bytes += skb->len;
+	lp->linux_stats.rx_bytes += pkt_len;
 	outb(0xFF, ioaddr + AM2150_RCV_NEXT); /* skip to next frame */
 	continue;
       } else {