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| author | Amit Kumar Salecha <amit.salecha@qlogic.com> | 2010-02-02 07:16:21 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-04 06:15:24 +0300 |
| commit | e15eec2805565c7e31dbe402215637012f1e4616 (patch) | |
| tree | 82ba2e31d52bf5e6ee5c0d56834fe23f6d5734d0 | |
| parent | 41f3e0b1f524c47908e944a7e55f11c371ddddec (diff) | |
| download | linux-e15eec2805565c7e31dbe402215637012f1e4616.tar.xz | |
netxen: protect resource cleanup by rtnl lock
o context resources can be in used, while resource cleanup is in progress,
during fw recover.
o Null pointer execption can occur in send_cmd_desc, if fw recovery
module frees tx ring without rtnl lock.
o Same applies to ethtool register dump.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 5209095a8739..24279e6e55f5 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -2240,7 +2240,9 @@ netxen_detach_work(struct work_struct *work) netxen_nic_down(adapter, netdev); + rtnl_lock(); netxen_nic_detach(adapter); + rtnl_unlock(); status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1); |