[PATCH] pcmcia: cs.c cleanup

Clean up cs.c

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 7aa2e7f20d50..fa2a79d29e16 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -275,8 +275,16 @@ rescan:
         return (ret);
 } /* bind_request */
 
+#ifdef CONFIG_CARDBUS
+
+static struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s)
+{
+        if (!s || !(s->state & SOCKET_CARDBUS))
+                return NULL;
 
-extern struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s);
+        return s->cb_dev->subordinate;
+}
+#endif
 
 static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int first)
 {