virtio-net: fix pages leaking when building skb in big mode
Bugzilla: http://bugzilla.redhat.com/2042559
commit afd92d82c9d715fb97565408755acad81573591a Author: Jason Wang jasowang@redhat.com Date: Fri Sep 17 16:34:06 2021 +0800
virtio-net: fix pages leaking when building skb in big mode
We try to use build_skb() if we had sufficient tailroom. But we forget
to release the unused pages chained via private in big mode which will
leak pages. Fixing this by release the pages after building the skb in
big mode.
Cc: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Fixes: fb32856b16ad ("virtio-net: page_to_skb() use build_skb when there's sufficient tailroom")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Laurent Vivier lvivier@redhat.com
Edited by Bandan Das