https://github.com/torvalds/linux
Revision 681daee2443291419c57cccb0671f5f94a839005 authored by Jason Wang on 26 March 2014, 05:03:00 UTC, committed by David S. Miller on 27 March 2014, 17:13:21 UTC
Current error handling of virtqueue_kick() was wrong in two places: - The skb were freed immediately when virtqueue_kick() fail during xmit. This may lead double free since the skb was not detached from the virtqueue. - try_fill_recv() returns false when virtqueue_kick() fail. This will lead unnecessary rescheduling of refill work. Actually, it's safe to just ignore the kick failure in those two places. So this patch fixes this by partially revert commit 67975901183799af8e93ec60e322f9e2a1940b9b. Fixes 67975901183799af8e93ec60e322f9e2a1940b9b (virtio_net: verify if virtqueue_kick() succeeded). Cc: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Tip revision: 681daee2443291419c57cccb0671f5f94a839005 authored by Jason Wang on 26 March 2014, 05:03:00 UTC
virtio-net: correct error handling of virtqueue_kick()
virtio-net: correct error handling of virtqueue_kick()
Tip revision: 681daee
| File | Mode | Size |
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| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .gitignore | -rw-r--r-- | 1.1 KB |
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