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NFSD: Fix error return code in nfsd4_interssc_connect()

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'status' has been overwritten to 0 after nfsd4_ssc_setup_dul(), this
cause 0 will be return in vfs_kern_mount() error case. Fix to return
nfserr_nodev in this error.

Fixes: f4e44b3933 ("NFSD: delay unmount source's export after inter-server copy completed.")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Wei Yongjun 2021-06-04 10:12:37 +00:00 committed by J. Bruce Fields
parent f47dc2d301
commit 54185267e1
1 changed files with 1 additions and 0 deletions
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fs/nfsd/nfs4proc.c
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@ -1323,6 +1323,7 @@ nfsd4_interssc_connect(struct nl4_server *nss, struct svc_rqst *rqstp,
ss_mnt = vfs_kern_mount(type, SB_KERNMOUNT, dev_name, raw_data);
module_put(type->owner);
if (IS_ERR(ss_mnt)) {
status = nfserr_nodev;
if (work)
nfsd4_ssc_cancel_dul_work(nn, work);
goto out_free_devname;