diff options
| author |   Jason Wang <jasowang@redhat.com> | 2018-03-09 14:50:34 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-03-09 12:02:59 -0500 |
| commit | 3a4030761ea88ff439030ca98e3094b9900e96b7 (patch) | |
| tree | c0d48a1da4ce356c2ce2037ba1b4fc210abba7e6 /drivers/net/tun.c | |
| parent | vhost_net: keep private_data and rx_ring synced (diff) | |
| download | linux-dev-3a4030761ea88ff439030ca98e3094b9900e96b7.tar.xz linux-dev-3a4030761ea88ff439030ca98e3094b9900e96b7.zip | |
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>
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 7433bb2e4451..28cfa642e39a 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -655,7 +655,7 @@ static struct tun_struct *tun_enable_queue(struct tun_file *tfile) return tun; } -static void tun_ptr_free(void *ptr) +void tun_ptr_free(void *ptr) { if (!ptr) return; @@ -667,6 +667,7 @@ static void tun_ptr_free(void *ptr) __skb_array_destroy_skb(ptr); } } +EXPORT_SYMBOL_GPL(tun_ptr_free); static void tun_queue_purge(struct tun_file *tfile) { |