linux-kernel - [PATCH 5.10 192/530] NFSD: Fix sparse warning in nfs4proc.c

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Message-Id: <20210512144826.150808924@linuxfoundation.org>
Date:   Wed, 12 May 2021 16:45:02 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chuck Lever <chuck.lever@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 192/530] NFSD: Fix sparse warning in nfs4proc.c

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

[ Upstream commit eb162e1772f85231dabc789fb4bfea63d2d9df79 ]

linux/fs/nfsd/nfs4proc.c:1542:24: warning: incorrect type in assignment (different base types)
linux/fs/nfsd/nfs4proc.c:1542:24:    expected restricted __be32 [assigned] [usertype] status
linux/fs/nfsd/nfs4proc.c:1542:24:    got int

Clean-up: The dup_copy_fields() function returns only zero, so make
it return void for now, and get rid of the return code check.

Signed-off-by: Chuck Lever <chuck.lever@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/nfsd/nfs4proc.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 2e68cea148e0..015d25a5cd03 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1425,7 +1425,7 @@ static __be32 nfsd4_do_copy(struct nfsd4_copy *copy, bool sync)
 	return status;
 }
 
-static int dup_copy_fields(struct nfsd4_copy *src, struct nfsd4_copy *dst)
+static void dup_copy_fields(struct nfsd4_copy *src, struct nfsd4_copy *dst)
 {
 	dst->cp_src_pos = src->cp_src_pos;
 	dst->cp_dst_pos = src->cp_dst_pos;
@@ -1444,8 +1444,6 @@ static int dup_copy_fields(struct nfsd4_copy *src, struct nfsd4_copy *dst)
 	memcpy(&dst->stateid, &src->stateid, sizeof(src->stateid));
 	memcpy(&dst->c_fh, &src->c_fh, sizeof(src->c_fh));
 	dst->ss_mnt = src->ss_mnt;
-
-	return 0;
 }
 
 static void cleanup_async_copy(struct nfsd4_copy *copy)
@@ -1539,9 +1537,7 @@ nfsd4_copy(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		refcount_set(&async_copy->refcount, 1);
 		memcpy(&copy->cp_res.cb_stateid, &copy->cp_stateid,
 			sizeof(copy->cp_stateid));
-		status = dup_copy_fields(copy, async_copy);
-		if (status)
-			goto out_err;
+		dup_copy_fields(copy, async_copy);
 		async_copy->copy_task = kthread_create(nfsd4_do_async_copy,
 				async_copy, "%s", "copy thread");
 		if (IS_ERR(async_copy->copy_task))
-- 
2.30.2