[PATCH 1/3] nfsd: fix refcount leak when failing to hash nfsd_file

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At this point, we have a new nf that we couldn't properly insert into
the hashtable. Just free it before retrying, since it was never hashed.

Fixes: c6593366c0bf ("nfsd: don't kill nfsd_files because of lease break error")
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
 fs/nfsd/filecache.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index f84913691b78..4fb5e8546831 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -1038,8 +1038,10 @@ nfsd_file_do_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp,
 	if (likely(ret == 0))
 		goto open_file;
 
-	if (ret == -EEXIST)
+	if (ret == -EEXIST) {
+		nfsd_file_free(nf);
 		goto retry;
+	}
 	trace_nfsd_file_insert_err(rqstp, inode, may_flags, ret);
 	status = nfserr_jukebox;
 	goto construction_err;

-- 
2.45.2





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