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authorBjørn Mork <bjorn@mork.no>2014-01-10 23:10:17 +0100
committerDavid S. Miller <davem@davemloft.net>2014-01-13 23:32:04 -0800
commitfdc3452cd2c7b2bfe0f378f92123f4f9a98fa2bd (patch)
treed40ea95047fff32b0f3dd3d0e094d58cf49a428e
parentinet_diag: fix inet_diag_dump_icsk() to use correct state for timewait sockets (diff)
downloadlinux-dev-fdc3452cd2c7b2bfe0f378f92123f4f9a98fa2bd.tar.xz
linux-dev-fdc3452cd2c7b2bfe0f378f92123f4f9a98fa2bd.zip
net: usbnet: fix SG initialisation
Commit 60e453a940ac ("USBNET: fix handling padding packet") added an extra SG entry in case padding is necessary, but failed to update the initialisation of the list. This can cause list traversal to fall off the end of the list, resulting in an oops. Fixes: 60e453a940ac ("USBNET: fix handling padding packet") Reported-by: Thomas Kear <thomas@kear.co.nz> Cc: Ming Lei <ming.lei@canonical.com> Signed-off-by: Bjørn Mork <bjorn@mork.no> Tested-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/usb/usbnet.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 8494bb53ebdc..aba04f561760 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1245,7 +1245,7 @@ static int build_dma_sg(const struct sk_buff *skb, struct urb *urb)
return -ENOMEM;
urb->num_sgs = num_sgs;
- sg_init_table(urb->sg, urb->num_sgs);
+ sg_init_table(urb->sg, urb->num_sgs + 1);
sg_set_buf(&urb->sg[s++], skb->data, skb_headlen(skb));
total_len += skb_headlen(skb);