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NFS: correctly report misuse of "migration" mount option.

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The current test on valid use of the "migration" mount option can never
report an error as it will only do so if
    mnt->version !=4 && mnt->minor_version != 0
(and some other condition), but if that test would succeed, then the previous
test has already gone-to  out_minorversion_mismatch.

So change the && to an || to get correct semantics.

Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
NeilBrown 2013-11-14 13:00:17 +11:00 committed by Trond Myklebust
parent 6d769f1e14
commit 9e08ef1afb
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/super.c
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@ -1614,7 +1614,7 @@ static int nfs_parse_mount_options(char *raw,
goto out_minorversion_mismatch;
if (mnt->options & NFS_OPTION_MIGRATION &&
mnt->version != 4 && mnt->minorversion != 0)
(mnt->version != 4 || mnt->minorversion != 0))
goto out_migration_misuse;
/*