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| author | Dan Carpenter <error27@gmail.com> | 2010-10-27 23:19:04 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-11-19 18:35:11 -0500 |
| commit | 43b0178eda1e7e5d1e205bbfd076ab5d6ecacc02 (patch) | |
| tree | 522d3a6e49ff805eea06c5e1633b0e949a90a49b /fs/nfsd/nfs4state.c | |
| parent | e53beacd23d9cb47590da6a7a7f6d417b941a994 (diff) | |
| download | blackbird-op-linux-43b0178eda1e7e5d1e205bbfd076ab5d6ecacc02.tar.gz blackbird-op-linux-43b0178eda1e7e5d1e205bbfd076ab5d6ecacc02.zip | |
nfsd: fix NULL dereference in setattr()
The original code would oops if this were called from nfsd4_setattr()
because "filpp" is NULL.
(Note this case is currently impossible, as long as we only give out
read delegations.)
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4state.c')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index ad2bfa68d534..2d191293e6aa 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3081,9 +3081,10 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate, if (status) goto out; renew_client(dp->dl_client); - if (filpp) + if (filpp) { *filpp = find_readable_file(dp->dl_file); - BUG_ON(!*filpp); + BUG_ON(!*filpp); + } } else { /* open or lock stateid */ stp = find_stateid(stateid, flags); if (!stp) |
