[PATCH] Remove NULL check in register_nls()

Everybody passes valid pointer there.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c
index 9de6b49..b1317ad 100644
--- a/fs/nls/nls_base.c
+++ b/fs/nls/nls_base.c
@@ -163,8 +163,6 @@
 {
 	struct nls_table ** tmp = &tables;
 
-	if (!nls)
-		return -EINVAL;
 	if (nls->next)
 		return -EBUSY;