| commit | 982fb490c298896d15e9323a882f34a57c11ff56 | [log] [tgz] |
|---|---|---|
| author | Jason Wang <jasowang@redhat.com> | Thu Jun 30 14:45:31 2016 +0800 |
| committer | David S. Miller <davem@davemloft.net> | Fri Jul 01 05:32:16 2016 -0400 |
| tree | 453a3c8afc504c726462412c5b61cb90785c1069 | |
| parent | 8dc7243abbf514e208aee1c0b430f35b866f8cc4 [diff] |
ptr_ring: support zero length ring Sometimes, we need zero length ring. But current code will crash since we don't do any check before accessing the ring. This patch fixes this. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>