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| author | Nikolay Aleksandrov <nikolay@redhat.com> | 2013-11-13 17:07:46 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-08 07:29:24 -0800 |
| commit | 9571243bac246e21eab0301fe48b7456d8804821 (patch) | |
| tree | ba80e41847fda95f7956f31517b8bf486d76c947 /net | |
| parent | 6ef30bdab8dab92939edbc964237b844efbe5946 (diff) | |
| download | linux-3.10-9571243bac246e21eab0301fe48b7456d8804821.tar.gz linux-3.10-9571243bac246e21eab0301fe48b7456d8804821.tar.bz2 linux-3.10-9571243bac246e21eab0301fe48b7456d8804821.zip | |
bonding: fix two race conditions in bond_store_updelay/downdelay
[ Upstream commit b869ccfab1e324507fa3596e3e1308444fb68227 ]
This patch fixes two race conditions between bond_store_updelay/downdelay
and bond_store_miimon which could lead to division by zero as miimon can
be set to 0 while either updelay/downdelay are being set and thus miss the
zero check in the beginning, the zero div happens because updelay/downdelay
are stored as new_value / bond->params.miimon. Use rtnl to synchronize with
miimon setting.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: Veaceslav Falico <vfalico@redhat.com>
Acked-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
0 files changed, 0 insertions, 0 deletions