diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index f38600490fd1..13cb5e4deb86 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -4006,6 +4006,12 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, resp.cq_moderation_caps.max_cq_moderation_period = attr.cq_caps.max_cq_moderation_period; resp.response_length += sizeof(resp.cq_moderation_caps); + + if (ucore->outlen < resp.response_length + sizeof(resp.max_dm_size)) + goto end; + + resp.max_dm_size = attr.max_dm_size; + resp.response_length += sizeof(resp.max_dm_size); end: err = ib_copy_to_udata(ucore, &resp, resp.response_length); return err; |