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path: root/drivers/pcmcia/pcmcia_ioctl.c
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Diffstat (limited to 'drivers/pcmcia/pcmcia_ioctl.c')
-rw-r--r--drivers/pcmcia/pcmcia_ioctl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index a42a6c7be10..ef0c5f13369 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -301,7 +301,9 @@ static int pccard_get_status(struct pcmcia_socket *s,
(c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) {
u_char reg;
if (c->CardValues & PRESENT_PIN_REPLACE) {
+ mutex_lock(&s->ops_mutex);
pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, &reg);
+ mutex_unlock(&s->ops_mutex);
status->CardState |=
(reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0;
status->CardState |=
@@ -315,7 +317,9 @@ static int pccard_get_status(struct pcmcia_socket *s,
status->CardState |= CS_EVENT_READY_CHANGE;
}
if (c->CardValues & PRESENT_EXT_STATUS) {
+ mutex_lock(&s->ops_mutex);
pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, &reg);
+ mutex_unlock(&s->ops_mutex);
status->CardState |=
(reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0;
}