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| author | Pierre Riteau <Pierre.Riteau@irisa.fr> | 2009-11-25 18:49:34 +0000 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-12-03 09:41:35 -0600 |
| commit | 6720b35b8186e9c6a9f137c02f8c2c1e7c98085f (patch) | |
| tree | 78a91e27a7323fb3333833f348dd7d552fed775a /net/tap-linux.c | |
| parent | 0f2fbf40a9d1f0ccdd86bd47f17fff24666f01d9 (diff) | |
| download | qemu-6720b35b8186e9c6a9f137c02f8c2c1e7c98085f.tar.gz | |
net: fix TAP networking on host kernels without IFF_VNET_HDR support
vnet_hdr is initialized at 1 by default. We need to reset it to 0 if
the kernel doesn't support IFF_VNET_HDR.
Signed-off-by: Pierre Riteau <Pierre.Riteau@irisa.fr>
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'net/tap-linux.c')
| -rw-r--r-- | net/tap-linux.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/tap-linux.c b/net/tap-linux.c index 0f621a2315..e4f7e2723b 100644 --- a/net/tap-linux.c +++ b/net/tap-linux.c @@ -52,6 +52,8 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required features & IFF_VNET_HDR) { *vnet_hdr = 1; ifr.ifr_flags |= IFF_VNET_HDR; + } else { + *vnet_hdr = 0; } if (vnet_hdr_required && !*vnet_hdr) { |