This is a note to let you know that I've just added the patch titled blocklayoutdriver: Fix reference leak of pnfs_device_node to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: blocklayoutdriver-fix-reference-leak-of-pnfs_device_.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit d21f62e6aa9e83c4eb5bebb1bc60d0578787d83e Author: Benjamin Coddington <bcodding@xxxxxxxxxx> Date: Tue Dec 5 10:05:01 2023 -0500 blocklayoutdriver: Fix reference leak of pnfs_device_node [ Upstream commit 1530827b90025cdf80c9b0d07a166d045a0a7b81 ] The error path for blocklayout's device lookup is missing a reference drop for the case where a lookup finds the device, but the device is marked with NFS_DEVICEID_UNAVAILABLE. Fixes: b3dce6a2f060 ("pnfs/blocklayout: handle transient devices") Signed-off-by: Benjamin Coddington <bcodding@xxxxxxxxxx> Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 943aeea1eb16..1d1d7abc3205 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -580,6 +580,8 @@ bl_find_get_deviceid(struct nfs_server *server, nfs4_delete_deviceid(node->ld, node->nfs_client, id); goto retry; } + + nfs4_put_deviceid_node(node); return ERR_PTR(-ENODEV); }