fid->clnt = clnt;
fid->rdir = NULL;
fid->fid = 0;
+ refcount_set(&fid->count, 1);
idr_preload(GFP_KERNEL);
spin_lock_irq(&clnt->lock);
GFP_NOWAIT);
spin_unlock_irq(&clnt->lock);
idr_preload_end();
-
if (!ret)
return fid;
p9_debug(P9_DEBUG_9P, ">>> TWALK fids %d,%d nwname %ud wname[0] %s\n",
oldfid->fid, fid->fid, nwname, wnames ? wnames[0] : NULL);
-
req = p9_client_rpc(clnt, P9_TWALK, "ddT", oldfid->fid, fid->fid,
nwname, wnames);
if (IS_ERR(req)) {
if (nwname)
memmove(&fid->qid, &wqids[nwqids - 1], sizeof(struct p9_qid));
else
- fid->qid = oldfid->qid;
+ memmove(&fid->qid, &oldfid->qid, sizeof(struct p9_qid));
kfree(wqids);
return fid;
p9_is_proto_dotl(clnt) ? "RLOPEN" : "ROPEN", qid.type,
(unsigned long long)qid.path, qid.version, iounit);
+ memmove(&fid->qid, &qid, sizeof(struct p9_qid));
fid->mode = mode;
fid->iounit = iounit;
(unsigned long long)qid->path,
qid->version, iounit);
+ memmove(&ofid->qid, qid, sizeof(struct p9_qid));
ofid->mode = mode;
ofid->iounit = iounit;
(unsigned long long)qid.path,
qid.version, iounit);
+ memmove(&fid->qid, &qid, sizeof(struct p9_qid));
fid->mode = mode;
fid->iounit = iounit;
struct p9_req_t *req;
int retries = 0;
- if (!fid) {
- pr_warn("%s (%d): Trying to clunk with NULL fid\n",
+ if (!fid || IS_ERR(fid)) {
+ pr_warn("%s (%d): Trying to clunk with invalid fid\n",
__func__, task_pid_nr(current));
dump_stack();
return 0;
}
+ if (!refcount_dec_and_test(&fid->count))
+ return 0;
again:
p9_debug(P9_DEBUG_9P, ">>> TCLUNK fid %d (try %d)\n", fid->fid,