nilfs2: clean up indirect function calling conventions

This cleans up the strange indirect function calling convention used in
nilfs to follow the normal kernel coding style.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index d9e3990..9e4d9e6 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -71,7 +71,7 @@
 			break;
 		}
 		ppos = pos;
-		nr = (*dofunc)(nilfs, &pos, argv->v_flags, buf, argv->v_size,
+		nr = dofunc(nilfs, &pos, argv->v_flags, buf, argv->v_size,
 			       n);
 		if (nr < 0) {
 			ret = nr;