initramfs: remove the populate_initrd_image and clean_rootfs stubs

If initrd support is not enable just print the warning directly instead
of hiding the fact that we just failed behind two stub functions.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Acked-by: NLinus Torvalds <torvalds@linux-foundation.org>

init/initramfs.c

@@ -618,13 +618,7 @@ static void __init clean_rootfs(void)
 	ksys_close(fd);
 	kfree(buf);
 }
-#else
-static inline void clean_rootfs(void)
-{
-}
-#endif /* CONFIG_BLK_DEV_RAM */
 
-#ifdef CONFIG_BLK_DEV_RAM
 static void __init populate_initrd_image(char *err)
 {
 	ssize_t written;
@@ -644,11 +638,6 @@ static void __init populate_initrd_image(char *err)
 		       written, initrd_end - initrd_start);
 	ksys_close(fd);
 }
-#else
-static void __init populate_initrd_image(char *err)
-{
-	printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err);
-}
 #endif /* CONFIG_BLK_DEV_RAM */
 
 static int __init populate_rootfs(void)
@@ -668,8 +657,12 @@ static int __init populate_rootfs(void)
 
 	err = unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start);
 	if (err) {
+#ifdef CONFIG_BLK_DEV_RAM
 		clean_rootfs();
 		populate_initrd_image(err);
+#else
+		printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err);
+#endif
 	}
 
 done: