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Message-Id: <20220705115619.689052879@linuxfoundation.org>
Date: Tue, 5 Jul 2022 13:58:11 +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, Alexey Khoroshilov <khoroshilov@...ras.ru>,
Chuck Lever <chuck.lever@...cle.com>
Subject: [PATCH 5.18 045/102] NFSD: restore EINVAL error translation in nfsd_commit()
From: Alexey Khoroshilov <khoroshilov@...ras.ru>
commit 8a9ffb8c857c2c99403bd6483a5a005fed5c0773 upstream.
commit 555dbf1a9aac ("nfsd: Replace use of rwsem with errseq_t")
incidentally broke translation of -EINVAL to nfserr_notsupp.
The patch restores that.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
Fixes: 555dbf1a9aac ("nfsd: Replace use of rwsem with errseq_t")
Signed-off-by: Chuck Lever <chuck.lever@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
fs/nfsd/vfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1170,6 +1170,7 @@ nfsd_commit(struct svc_rqst *rqstp, stru
nfsd_copy_write_verifier(verf, nn);
err2 = filemap_check_wb_err(nf->nf_file->f_mapping,
since);
+ err = nfserrno(err2);
break;
case -EINVAL:
err = nfserr_notsupp;
@@ -1177,8 +1178,8 @@ nfsd_commit(struct svc_rqst *rqstp, stru
default:
nfsd_reset_write_verifier(nn);
trace_nfsd_writeverf_reset(nn, rqstp, err2);
+ err = nfserrno(err2);
}
- err = nfserrno(err2);
} else
nfsd_copy_write_verifier(verf, nn);
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