[PATCH] uml: non-void functions should return something

There are a few functions which are declared to return something, but don't.
These are actually infinite loops which are forced to be declared as non-void.
 This makes them all return 0.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/kernel/sigio_user.c b/arch/um/kernel/sigio_user.c
index 48b1f64..62e5cfd 100644
--- a/arch/um/kernel/sigio_user.c
+++ b/arch/um/kernel/sigio_user.c
@@ -216,6 +216,8 @@
 				       "err = %d\n", -n);
 		}
 	}
+
+	return 0;
 }
 
 static int need_poll(int n)