diff options
| author | Yuan Can <yuancan@huawei.com> | 2022-11-26 07:34:10 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2022-11-28 14:43:51 +0300 |
| commit | ea5ef136e215fdef35f14010bc51fcd6686e6922 (patch) | |
| tree | 32c0e447aef347131a256e9420b6f425ed32c363 /drivers/infiniband/core | |
| parent | 09f530f0c6d6689eee5e690c6d98f495fcc3a0f9 (diff) | |
| download | linux-ea5ef136e215fdef35f14010bc51fcd6686e6922.tar.xz | |
RDMA/nldev: Add checks for nla_nest_start() in fill_stat_counter_qps()
As the nla_nest_start() may fail with NULL returned, the return value needs
to be checked.
Fixes: c4ffee7c9bdb ("RDMA/netlink: Implement counter dumpit calback")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Link: https://lore.kernel.org/r/20221126043410.85632-1-yuancan@huawei.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/core')
| -rw-r--r-- | drivers/infiniband/core/nldev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 2be76a3fdd87..ca0ed7d14326 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -894,6 +894,8 @@ static int fill_stat_counter_qps(struct sk_buff *msg, int ret = 0; table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_QP); + if (!table_attr) + return -EMSGSIZE; rt = &counter->device->res[RDMA_RESTRACK_QP]; xa_lock(&rt->xa); |