diff options
| author | J. Bruce Fields <bfields@redhat.com> | 2011-10-10 17:34:31 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-11 09:43:16 -0800 |
| commit | 3a1f47cef0246bfcbd8719f2191754c3a7b86c0b (patch) | |
| tree | da69af79b888f48e447ed44916c3deb800dddc67 /fs | |
| parent | 68251a1702ee17bd375a5b7907ce8794d7dadf6d (diff) | |
nfsd4: ignore WANT bits in open downgrade
commit c30e92df30d7d5fe65262fbce5d1b7de675fe34e upstream.
We don't use WANT bits yet--and sending them can probably trigger a
BUG() further down.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index cd2a43d4893..6f8bcc733f7 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3570,6 +3570,8 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp, if (!access_valid(od->od_share_access, cstate->minorversion) || !deny_valid(od->od_share_deny)) return nfserr_inval; + /* We don't yet support WANT bits: */ + od->od_share_access &= NFS4_SHARE_ACCESS_MASK; nfs4_lock_state(); if ((status = nfs4_preprocess_seqid_op(cstate, |