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path: root/drivers/pcmcia/ds.c
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Diffstat (limited to 'drivers/pcmcia/ds.c')
-rw-r--r--drivers/pcmcia/ds.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 0ab4fe04592..4f7308df22c 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -1241,12 +1241,16 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
s->pcmcia_state.present = 0;
pcmcia_card_remove(skt, NULL);
handle_event(skt, event);
+ mutex_lock(&s->ops_mutex);
destroy_cis_cache(s);
+ mutex_unlock(&s->ops_mutex);
break;
case CS_EVENT_CARD_INSERTION:
s->pcmcia_state.present = 1;
+ mutex_lock(&s->ops_mutex);
destroy_cis_cache(s); /* to be on the safe side... */
+ mutex_unlock(&s->ops_mutex);
pcmcia_card_add(skt);
handle_event(skt, event);
break;
@@ -1259,9 +1263,11 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
dev_dbg(&skt->dev, "cis mismatch - different card\n");
/* first, remove the card */
ds_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
+ mutex_lock(&s->ops_mutex);
destroy_cis_cache(skt);
kfree(skt->fake_cis);
skt->fake_cis = NULL;
+ mutex_unlock(&s->ops_mutex);
/* now, add the new card */
ds_event(skt, CS_EVENT_CARD_INSERTION,
CS_EVENT_PRI_LOW);