Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f2d961c9827bab4b64a1b4ea30c68cf5ab2b2330
Commit: f2d961c9827bab4b64a1b4ea30c68cf5ab2b2330
Parent: 692412b31ffb5df00197ea591dd635fc07506c02
Author: Divy Le Ray <[EMAIL PROTECTED]>
AuthorDate: Mon Apr 9 20:10:22 2007 -0700
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Wed Apr 11 11:54:43 2007 -0400
cxgb3 - avoid deadlock with mac watchdog
Fix a deadlock when the interface s configured down and
the watchdog tack is sleeping on rtnl_lock.
Signed-off-by: Divy Le Ray <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/net/cxgb3/cxgb3_main.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 26240fd..c6ebe25 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2119,7 +2119,9 @@ static void check_t3b2_mac(struct adapter *adapter)
{
int i;
- rtnl_lock(); /* synchronize with ifdown */
+ if (!rtnl_trylock()) /* synchronize with ifdown */
+ return;
+
for_each_port(adapter, i) {
struct net_device *dev = adapter->port[i];
struct port_info *p = netdev_priv(dev);
-
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