netdev - [PATCH] staging: get rid of dev_base

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Message-ID: <1288358367.2560.38.camel@edumazet-laptop>
Date:	Fri, 29 Oct 2010 15:19:27 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	netdev <netdev@...r.kernel.org>, David Miller <davem@...emloft.net>
Subject: [PATCH] staging: get rid of dev_base_lock

dev_base_lock was the legacy rwlock used to protect netdevice list, and
is expected to vanish.

We now use RTNL and RCU locking.

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
---
 drivers/staging/wlags49_h2/wl_sysfs.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/wlags49_h2/wl_sysfs.c b/drivers/staging/wlags49_h2/wl_sysfs.c
index e4c8804..9b833b3 100644
--- a/drivers/staging/wlags49_h2/wl_sysfs.c
+++ b/drivers/staging/wlags49_h2/wl_sysfs.c
@@ -42,7 +42,7 @@ static ssize_t show_tallies(struct device *d, struct device_attribute *attr,
     CFG_HERMES_TALLIES_STRCT tallies;
     ssize_t ret = -EINVAL;
 
-    read_lock(&dev_base_lock);
+    rcu_read_lock();
     if (dev_isalive(dev)) {
 	wl_lock(lp, &flags);
 
@@ -102,7 +102,7 @@ static ssize_t show_tallies(struct device *d, struct device_attribute *attr,
 	    }
     }
 
-    read_unlock(&dev_base_lock);
+    rcu_read_unlock();
     return ret;
 }
 


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