From: Tao Guo <guotao@xxxxxxxxxxxx> Skip local block device if its gendisk structure is NULL. Signed-off-by: Tao Guo <guotao@xxxxxxxxxxxx> Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx> --- fs/nfs/blocklayout/blocklayoutdev.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/nfs/blocklayout/blocklayoutdev.c b/fs/nfs/blocklayout/blocklayoutdev.c index ac5c117..9fc3d46 100644 --- a/fs/nfs/blocklayout/blocklayoutdev.c +++ b/fs/nfs/blocklayout/blocklayoutdev.c @@ -375,7 +375,7 @@ static int map_sig_to_device(struct pnfs_blk_sig *sig, struct visible_block_device *vis_dev; list_for_each_entry(vis_dev, sdlist, vi_node) { - if (vis_dev->vi_mapped) + if (vis_dev->vi_mapped || !vis_dev->vi_bdev->bd_disk) continue; mapped = verify_sig(vis_dev->vi_bdev, sig); if (mapped) { -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html