[PATCH 5.4 59/76] NFS/pNFS: Fix a leak of the layout plh_outstanding counter

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From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>

commit cb2856c5971723910a86b7d1d0cf623d6919cbc4 upstream.

If we exit _lgopen_prepare_attached() without setting a layout, we will
currently leak the plh_outstanding counter.

Fixes: 411ae722d10a ("pNFS: Wait for stale layoutget calls to complete in pnfs_update_layout()")
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/nfs/pnfs.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2215,6 +2215,7 @@ static void _lgopen_prepare_attached(str
 					     &rng, GFP_KERNEL);
 	if (!lgp) {
 		pnfs_clear_first_layoutget(lo);
+		nfs_layoutget_end(lo);
 		pnfs_put_layout_hdr(lo);
 		return;
 	}





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