[GFS2] Mount problem with the GFS2 code

[powerpc.git] / drivers / pcmcia / pcmcia_ioctl.c

diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index c53db7c..310ede5 100644 (file)
--- 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
@@ -426,7 +431,7 @@ static int ds_open(struct inode *inode, struct file *file)
 
     if (!warning_printed) {
            printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl "
-                       "usage.\n");
+                       "usage from process: %s.\n", current->comm);
            printk(KERN_INFO "pcmcia: This interface will soon be removed from "
                        "the kernel; please expect breakage unless you upgrade "
                        "to new tools.\n");
@@ -665,9 +670,10 @@ static int ds_ioctl(struct inode * inode, struct file * file,
        if (!(buf->conf_reg.Function &&
             (buf->conf_reg.Function >= s->functions))) {
                struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function);
-               if (p_dev)
+               if (p_dev) {
                        ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg);
-               pcmcia_put_dev(p_dev);
+                       pcmcia_put_dev(p_dev);
+               }
        }
        break;
     case DS_GET_FIRST_REGION: