Hi Satyam,

>  struct netconsole_target {
>       struct list_head        list;
> +#ifdef       CONFIG_NETCONSOLE_DYNAMIC
> +     struct config_item      item;
> +     int                     enabled;
> +#endif
>       struct netpoll          np;
>  };

If CONFIG_NETCONSOLE_DYNAMIC is unset, we can't access to the "enabled" member.
So, the compile errors occur because the following functions make use of 
the above one.

> +/* Allocate new target (from boot/module param) and setup netpoll for it */
> +static struct netconsole_target *alloc_param_target(char *target_config)
>  {
>       int err = -ENOMEM;
>       struct netconsole_target *nt;
>  
> -     /* Allocate and initialize with defaults */
> +     /*
> +      * Allocate and initialize with defaults.
> +      * Note that these targets get their config_item fields zeroed-out.
> +      */
>       nt = kzalloc(sizeof(*nt), GFP_KERNEL);
>       if (!nt) {
>               printk(KERN_ERR "netconsole: failed to allocate memory\n");
> @@ -106,6 +188,8 @@ static struct netconsole_target *alloc_t
>       if (err)
>               goto fail;
>  
> +     nt->enabled = 1;
> +
>       return nt;
>  
>  fail:
> @@ -113,13 +197,469 @@ fail:
>       return ERR_PTR(err);
>  }


> @@ -169,7 +711,8 @@ static void write_msg(struct console *co
>  
>       spin_lock_irqsave(&target_list_lock, flags);
>       list_for_each_entry(nt, &target_list, list) {
> -             if (netif_running(nt->np.dev)) {
> +             netconsole_target_get(nt);
> +             if (nt->enabled && netif_running(nt->np.dev)) {
>                       /*
>                        * We nest this inside the for-each-target loop above
>                        * so that we're able to get as much logging out to
> @@ -184,6 +727,7 @@ static void write_msg(struct console *co
>                               left -= frag;
>                       }
>               }
> +             netconsole_target_put(nt);
>       }
>       spin_unlock_irqrestore(&target_list_lock, flags);
>  }

I created the following patch for performing some tests.
If there is nothing wrong with the patch, I'm going to continue to test.

Signed-off-by: Keiichi Kii <[EMAIL PROTECTED]>

Index: mm/drivers/net/netconsole.c
===================================================================
--- mm.orig/drivers/net/netconsole.c
+++ mm/drivers/net/netconsole.c
@@ -94,8 +94,8 @@ struct netconsole_target {
        struct list_head        list;
 #ifdef CONFIG_NETCONSOLE_DYNAMIC
        struct config_item      item;
-       int                     enabled;
 #endif
+       int                     enabled;
        struct netpoll          np;
 };


Thanks
-- 
Keiichi KII
NEC Corporation OSS Platform Development Division
E-mail: [EMAIL PROTECTED]
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to