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 5.10-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-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 214bd3a37ee7b3a1327721de743a3a5d7c4470b4
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 08108b6d2fa1..73000aa2d220 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -604,6 +604,8 @@ 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);
}
