]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
virtio-net: add a missing synchronize_net()
authorEric Dumazet <edumazet@google.com>
Wed, 16 Nov 2016 06:24:12 +0000 (22:24 -0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 16 Nov 2016 20:09:29 +0000 (15:09 -0500)
commit963abe5c8a0273a1cf5913556da1b1189de0e57a
tree9fbe435e14eb3f7b1ae33d14181bc6ee42739b54
parenta7741713dd361f081e5b48c04f59d0bbb1f32ed3
virtio-net: add a missing synchronize_net()

It seems many drivers do not respect napi_hash_del() contract.

When napi_hash_del() is used before netif_napi_del(), an RCU grace
period is needed before freeing NAPI object.

Fixes: 91815639d880 ("virtio-net: rx busy polling support")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/virtio_net.c