[PATCH] PCMCIA: handle sysfs, PCI errors

Handle sysfs and PCI errors correctly.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 9ad18e62658d..310ede575caa 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -128,9 +128,12 @@ static int proc_read_drivers(char *buf, char **start, off_t pos,
                              int count, int *eof, void *data)
 {
         char *p = buf;
+        int rc;
 
-        bus_for_each_drv(&pcmcia_bus_type, NULL,
-                         (void *) &p, proc_read_drivers_callback);
+        rc = bus_for_each_drv(&pcmcia_bus_type, NULL,
+                              (void *) &p, proc_read_drivers_callback);
+        if (rc < 0)
+                return rc;
 
         return (p - buf);
 }
@@ -269,8 +272,10 @@ rescan:
          * Prevent this racing with a card insertion.
          */
         mutex_lock(&s->skt_mutex);
-        bus_rescan_devices(&pcmcia_bus_type);
+        ret = bus_rescan_devices(&pcmcia_bus_type);
         mutex_unlock(&s->skt_mutex);
+        if (ret)
+                goto err_put_module;
 
         /* check whether the driver indeed matched. I don't care if this
          * is racy or not, because it can only happen on cardmgr access