[PATCH] fix pcmcia_device_probe oops
Fix pcmcia_device_probe NULL pointer dereference at startup.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 54ad93d..bb96ce1 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -411,7 +411,7 @@
* pseudo devices, and if not, add the second one.
*/
did = (struct pcmcia_device_id *) p_dev->dev.driver_data;
- if ((did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) &&
+ if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) &&
(p_dev->socket->device_count == 1) && (p_dev->device_no == 0))
pcmcia_add_pseudo_device(p_dev->socket);