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| author | J. Bruce Fields <bfields@redhat.com> | 2014-01-28 16:01:04 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-06 07:59:27 -0700 |
| commit | 6cd9ecd59521d89c087c561680ae272dcc3a5059 (patch) | |
| tree | 853e636d5cdfee1316a68a8dd1d03f1781d41788 | |
| parent | 83b19121522b00aa21b5342a0c2e1e019bd1d5f2 (diff) | |
| download | kernel-common-6cd9ecd59521d89c087c561680ae272dcc3a5059.tar.gz kernel-common-6cd9ecd59521d89c087c561680ae272dcc3a5059.tar.bz2 kernel-common-6cd9ecd59521d89c087c561680ae272dcc3a5059.zip | |
nfsd4: session needs room for following op to error out
commit 4c69d5855a16f7378648c5733632628fa10431db upstream.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 82189b208af3..b9048e5e349e 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1359,6 +1359,12 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, /* If op is non-idempotent */ if (opdesc->op_flags & OP_MODIFIES_SOMETHING) { plen = opdesc->op_rsize_bop(rqstp, op); + /* + * If there's still another operation, make sure + * we'll have space to at least encode an error: + */ + if (resp->opcnt < args->opcnt) + plen += COMPOUND_ERR_SLACK_SPACE; op->status = nfsd4_check_resp_size(resp, plen); } |