[PATCH] pcmcia: fix pcmcia_device_remove oops

Fix pcmcia_device_remove NULL pointer dereference at shutdown.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 8966dd0913..ae10d1eed6 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -464,7 +464,7 @@ static int pcmcia_device_remove(struct device * dev)
          * all devices
          */
         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 != 0) &&
             (p_dev->device_no == 0))
                 pcmcia_card_remove(p_dev->socket, p_dev);