[PATCH] NFSD: Clean up unused variable

[cel@kernel.org]

From: Chuck Lever <chuck.lever@oracle.com>

@sb should have been removed by commit 7e64c5bc497c ("NLM/NFSD: Fix
lock notifications for async-capable filesystems").

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 fs/nfsd/nfs4state.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 741b9449f727..1272a1fafeb8 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -7966,7 +7966,6 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 	struct nfsd4_blocked_lock *nbl = NULL;
 	struct file_lock *file_lock = NULL;
 	struct file_lock *conflock = NULL;
-	struct super_block *sb;
 	__be32 status = 0;
 	int lkflg;
 	int err;
@@ -7986,7 +7985,6 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 	status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0);
 	if (status != nfs_ok)
 		return status;
-	sb = cstate->current_fh.fh_dentry->d_sb;
 
 	if (lock->lk_is_new) {
 		if (nfsd4_has_session(cstate))
-- 
2.47.0