md: revise Kconfig help for MD_MULTIPATH

[safe/jmp/linux-2.6] / drivers / block / loop.c

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index bbb7944..bd112c8 100644 (file)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -949,7 +949,7 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
        lo->lo_state = Lo_unbound;
        /* This is safe: open() is still holding a reference. */
        module_put(THIS_MODULE);
-       if (max_part > 0)
+       if (max_part > 0 && bdev)
                ioctl_by_bdev(bdev, BLKRRPART, 0);
        mutex_unlock(&lo->lo_ctl_mutex);
        /*
@@ -1438,7 +1438,7 @@ out_unlocked:
        return 0;
 }
 
-static struct block_device_operations lo_fops = {
+static const struct block_device_operations lo_fops = {
        .owner =        THIS_MODULE,
        .open =         lo_open,
        .release =      lo_release,