[PATCH] Don't check pointer for NULL before passing it to kfree [arch/powerpc/kernel/rtas_flash.c]

Checking a pointer for NULL before passing it to kfree is pointless, kfree
does its own NULL checking of input.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/kernel/rtas_flash.c

@@ -672,7 +672,6 @@ static void rtas_flash_firmware(int reboot_type)
 static void remove_flash_pde(struct proc_dir_entry *dp)
 {
 	if (dp) {
-		if (dp->data != NULL)
 		kfree(dp->data);
 		dp->owner = NULL;
 		remove_proc_entry(dp->name, dp->parent);