diff options
| author |   NeilBrown <neilb@suse.com> | 2018-02-20 13:23:38 +1100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-22 15:06:36 +0100 |
| commit | 5955572b19f64bdaddd778079f95fb3cafaadfda (patch) | |
| tree | 2c5a0bba94d2c8d03c7f3609543002e933ff6084 /drivers/staging/lustre | |
| parent | staging: lustre: fid: fix up debugfs access to ->lcs_space (diff) | |
| download | linux-dev-5955572b19f64bdaddd778079f95fb3cafaadfda.tar.xz linux-dev-5955572b19f64bdaddd778079f95fb3cafaadfda.zip | |
staging: lustre: fid: perform sanity checks before commiting
When fid fetches a new range from the server, it commits
to it (*output = *out) *before* performing sanity checks.
This looks backwards.
Don't commit to a value until it has been found to be sane.
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre')
| -rw-r--r-- | drivers/staging/lustre/lustre/fid/fid_request.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/lustre/lustre/fid/fid_request.c b/drivers/staging/lustre/lustre/fid/fid_request.c index 6e0dfe18ef5f..fa23423eb8b3 100644 --- a/drivers/staging/lustre/lustre/fid/fid_request.c +++ b/drivers/staging/lustre/lustre/fid/fid_request.c @@ -118,22 +118,22 @@ static int seq_client_rpc(struct lu_client_seq *seq, goto out_req; out = req_capsule_server_get(&req->rq_pill, &RMF_SEQ_RANGE); - *output = *out; - if (!lu_seq_range_is_sane(output)) { + if (!lu_seq_range_is_sane(out)) { CERROR("%s: Invalid range received from server: " - DRANGE "\n", seq->lcs_name, PRANGE(output)); + DRANGE "\n", seq->lcs_name, PRANGE(out)); rc = -EINVAL; goto out_req; } - if (lu_seq_range_is_exhausted(output)) { + if (lu_seq_range_is_exhausted(out)) { CERROR("%s: Range received from server is exhausted: " - DRANGE "]\n", seq->lcs_name, PRANGE(output)); + DRANGE "]\n", seq->lcs_name, PRANGE(out)); rc = -EINVAL; goto out_req; } + *output = *out; CDEBUG_LIMIT(debug_mask, "%s: Allocated %s-sequence " DRANGE "]\n", seq->lcs_name, opcname, PRANGE(output)); |