Patchwork [03/14] netconsole: do not release spin_lock when calling __netpoll_cleanup

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Submitter Amerigo Wang
Date Aug. 10, 2012, 7:10 a.m.
Message ID <1344582637-18261-4-git-send-email-amwang@redhat.com>
Download mbox | patch
Permalink /patch/176398/
State Changes Requested
Delegated to: David Miller
Headers show

Comments

Amerigo Wang - Aug. 10, 2012, 7:10 a.m.
With the previous patch applied, __netpoll_cleanup() is non-block now,
so we don't need to release the spin_lock before calling it.

Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
---
 drivers/net/netconsole.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)

Patch

diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index f9347ea..f0ad56c 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -640,12 +640,7 @@  static int netconsole_netdev_event(struct notifier_block *this,
 				 * rtnl_lock already held
 				 */
 				if (nt->np.dev) {
-					spin_unlock_irqrestore(
-							      &target_list_lock,
-							      flags);
 					__netpoll_cleanup(&nt->np);
-					spin_lock_irqsave(&target_list_lock,
-							  flags);
 					dev_put(nt->np.dev);
 					nt->np.dev = NULL;
 					netconsole_target_put(nt);