pnpbios: fix warning if CONFIG_HOTPLUG=n

drivers/pnp/pnpbios/core.c: In function 'pnpbios_thread_init':
drivers/pnp/pnpbios/core.c:578: warning: unused variable 'task'

Signed-off-by: Erik Ekman <erik@kryo.se>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index 996f648..e706d22 100644 (file)
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -575,8 +575,6 @@ fs_initcall(pnpbios_init);
 
 static int __init pnpbios_thread_init(void)
 {
-       struct task_struct *task;
-
 #if defined(CONFIG_PPC)
        if (check_legacy_ioport(PNPBIOS_BASE))
                return 0;
@@ -584,10 +582,13 @@ static int __init pnpbios_thread_init(void)
        if (pnpbios_disabled)
                return 0;
 #ifdef CONFIG_HOTPLUG
-       init_completion(&unload_sem);
-       task = kthread_run(pnp_dock_thread, NULL, "kpnpbiosd");
-       if (!IS_ERR(task))
-               unloading = 0;
+       {
+               struct task_struct *task;
+               init_completion(&unload_sem);
+               task = kthread_run(pnp_dock_thread, NULL, "kpnpbiosd");
+               if (!IS_ERR(task))
+                       unloading = 0;
+       }
 #endif
        return 0;
 }