net/9p: p9_idpool_get return -1 on error
We need to return -1 on error. Also handle error properly
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
diff --git a/net/9p/client.c b/net/9p/client.c
index 5b70555..9e3b0e6 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -304,12 +304,13 @@
c->tagpool = p9_idpool_create();
if (IS_ERR(c->tagpool)) {
err = PTR_ERR(c->tagpool);
- c->tagpool = NULL;
goto error;
}
-
- p9_idpool_get(c->tagpool); /* reserve tag 0 */
-
+ err = p9_idpool_get(c->tagpool); /* reserve tag 0 */
+ if (err < 0) {
+ p9_idpool_destroy(c->tagpool);
+ goto error;
+ }
c->max_tag = 0;
error:
return err;
@@ -789,11 +790,13 @@
spin_lock_init(&clnt->lock);
INIT_LIST_HEAD(&clnt->fidlist);
- p9_tag_init(clnt);
+ err = p9_tag_init(clnt);
+ if (err < 0)
+ goto free_client;
err = parse_opts(options, clnt);
if (err < 0)
- goto free_client;
+ goto destroy_tagpool;
if (!clnt->trans_mod)
clnt->trans_mod = v9fs_get_default_trans();
@@ -802,13 +805,12 @@
err = -EPROTONOSUPPORT;
P9_DPRINTK(P9_DEBUG_ERROR,
"No transport defined or default transport\n");
- goto free_client;
+ goto destroy_tagpool;
}
clnt->fidpool = p9_idpool_create();
if (IS_ERR(clnt->fidpool)) {
err = PTR_ERR(clnt->fidpool);
- clnt->fidpool = NULL;
goto put_trans;
}
@@ -834,6 +836,8 @@
p9_idpool_destroy(clnt->fidpool);
put_trans:
v9fs_put_trans(clnt->trans_mod);
+destroy_tagpool:
+ p9_idpool_destroy(clnt->tagpool);
free_client:
kfree(clnt);
return ERR_PTR(err);