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macvtap: zerocopy: fix offset calculation when building skb
authorJason Wang <jasowang@redhat.com>
Wed, 2 May 2012 03:41:30 +0000 (11:41 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 2 Oct 2012 17:30:33 +0000 (10:30 -0700)
commit2b9ec261e3f247dc84b50263564778bcbefec79b
tree9947fa0a89b2d66359dc052e576e683029d6285etree | snapshot
parent6c9e62877051270d20e34c0c3652e36f1cc37c04commit | diff
macvtap: zerocopy: fix offset calculation when building skb

commit 3afc9621f15701c557e60f61eba9242bac2771dd upstream.

This patch fixes the offset calculation when building skb:

- offset1 were used as skb data offset not vector offset
- reset offset to zero only when we advance to next vector

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/macvtap.c diff | blob | history
Linux kernel for KaRo TX COM modules