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

From: Greg Kroah-Hartman
Date: Wed May 12 2021 - 12:07:25 EST


From: Chuck Lever <chuck.lever@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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