can: pch_can: fix invalid error codes

[pandora-kernel.git] / drivers / net / netconsole.c

diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index ed2a397..01b104e 100644 (file)
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -307,6 +307,11 @@ static ssize_t store_enabled(struct netconsole_target *nt,
                return err;
        if (enabled < 0 || enabled > 1)
                return -EINVAL;
+       if (enabled == nt->enabled) {
+               printk(KERN_INFO "netconsole: network logging has already %s\n",
+                               nt->enabled ? "started" : "stopped");
+               return -EINVAL;
+       }
 
        if (enabled) {  /* 1 */
 
@@ -647,7 +652,6 @@ static int netconsole_netdev_event(struct notifier_block *this,
                                                          flags);
                                        dev_put(nt->np.dev);
                                        nt->np.dev = NULL;
-                                       netconsole_target_put(nt);
                                }
                                nt->enabled = 0;
                                stopped = true;