| commit | c7c35916692fe010fef25ac338443d3fe40be225 | |
| author | Prasad J Pandit <pjp@fedoraproject.org> | |
| Fri, 21 Oct 2016 12:09:29 +0000 (21 17:39 +0530) | ||
| committer | Jason Wang <jasowang@redhat.com> | |
| Wed, 26 Oct 2016 01:57:59 +0000 (26 09:57 +0800) | ||
| tree | df4478904ee489bdd6def25355eba75848d5aef0 | treesnapshot (tar.gz zip) |
| parent | fdda170e50b8af062cf5741e12c4fb5e57a2eacf | commitdiff |
net: rtl8139: limit processing of ring descriptors
RTL8139 ethernet controller in C+ mode supports multiple
descriptor rings, each with maximum of 64 descriptors. While
processing transmit descriptor ring in 'rtl8139_cplus_transmit',
it does not limit the descriptor count and runs forever. Add
check to avoid it.
Reported-by: Andrew Henderson <hendersa@icculus.org>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
RTL8139 ethernet controller in C+ mode supports multiple
descriptor rings, each with maximum of 64 descriptors. While
processing transmit descriptor ring in 'rtl8139_cplus_transmit',
it does not limit the descriptor count and runs forever. Add
check to avoid it.
Reported-by: Andrew Henderson <hendersa@icculus.org>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
| hw/net/rtl8139.c | diffblobblamehistory |