[PATCH] kfree cleanup: arch

This is the arch/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in arch/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
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 3fbfd95..48b1f64 100644
--- a/arch/um/kernel/sigio_user.c
+++ b/arch/um/kernel/sigio_user.c
@@ -224,7 +224,7 @@
 		next_poll.used = n;
 		return(0);
 	}
-	if(next_poll.poll != NULL) kfree(next_poll.poll);
+	kfree(next_poll.poll);
 	next_poll.poll = um_kmalloc_atomic(n * sizeof(struct pollfd));
 	if(next_poll.poll == NULL){
 		printk("need_poll : failed to allocate new pollfds\n");