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-rw-r--r--drivers/md/dm-mpath.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 6eb9dc9ef8f3..422a9fdeb53e 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1626,8 +1626,11 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
1626 /* 1626 /*
1627 * Only pass ioctls through if the device sizes match exactly. 1627 * Only pass ioctls through if the device sizes match exactly.
1628 */ 1628 */
1629 if (!r && ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) 1629 if (!bdev || ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) {
1630 r = scsi_verify_blk_ioctl(NULL, cmd); 1630 int err = scsi_verify_blk_ioctl(NULL, cmd);
1631 if (err)
1632 r = err;
1633 }
1631 1634
1632 if (r == -ENOTCONN && !fatal_signal_pending(current)) 1635 if (r == -ENOTCONN && !fatal_signal_pending(current))
1633 queue_work(kmultipathd, &m->process_queued_ios); 1636 queue_work(kmultipathd, &m->process_queued_ios);