vhost_net: examine pointer types during un-producing
authorJason Wang <jasowang@redhat.com>
Fri, 9 Mar 2018 06:50:34 +0000 (14:50 +0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 9 Mar 2018 17:02:59 +0000 (12:02 -0500)
commit3a4030761ea88ff439030ca98e3094b9900e96b7
treec0d48a1da4ce356c2ce2037ba1b4fc210abba7e6
parent303fd71b37fb710b26f5ff5444029d62cfd627bd
vhost_net: examine pointer types during un-producing

After commit fc72d1d54dd9 ("tuntap: XDP transmission"), we can
actually queueing XDP pointers in the pointer ring, so we should
examine the pointer type before freeing the pointer.

Fixes: fc72d1d54dd9 ("tuntap: XDP transmission")
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/tun.c
drivers/vhost/net.c
include/linux/if_tun.h