netpoll setup error handling

The beast was not always healthy. When it was sick,
it tended to be laconic and not tell anyone the real problem.
A few small changes had it telling the world about its
problems, if they really wanted to hear.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index bf58db29e2ed..e6e8a9797b6d 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -102,6 +102,8 @@ __setup("netconsole=", option_setup);
 
 static int init_netconsole(void)
 {
+        int err;
+
         if(strlen(config))
                 option_setup(config);
 
@@ -110,8 +112,9 @@ static int init_netconsole(void)
                 return 0;
         }
 
-        if(netpoll_setup(&np))
-                return -EINVAL;
+        err = netpoll_setup(&np);
+        if (err)
+                return err;
 
         register_console(&netconsole);
         printk(KERN_INFO "netconsole: network logging started\n");