ksmbd: Fix resource leak in ksmbd_session_rpc_open()

[ Upstream commit bc044414fa ]

When ksmbd_rpc_open() fails then it must call ksmbd_rpc_id_free() to
undo the result of ksmbd_ipc_id_alloc().

Fixes: e2f34481b2 ("cifsd: add server-side procedures for SMB3")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Xiu Jianfeng 2022-11-16 20:22:37 +08:00 committed by Greg Kroah-Hartman
parent 7f09fe9fc6
commit f9ed133381
1 changed files with 5 additions and 3 deletions

View File

@ -108,15 +108,17 @@ int ksmbd_session_rpc_open(struct ksmbd_session *sess, char *rpc_name)
entry->method = method;
entry->id = ksmbd_ipc_id_alloc();
if (entry->id < 0)
goto error;
goto free_entry;
resp = ksmbd_rpc_open(sess, entry->id);
if (!resp)
goto error;
goto free_id;
kvfree(resp);
return entry->id;
error:
free_id:
ksmbd_rpc_id_free(entry->id);
free_entry:
list_del(&entry->list);
kfree(entry);
return -EINVAL;