diff options
| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2020-12-26 15:42:48 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-23 15:36:55 +0100 |
| commit | c0f5aea441f1f609baaaee4d5f8bee7853683c54 (patch) | |
| tree | e805b05517e6bd61c750e2cf4d53d7a2ea6ecd38 | |
| parent | 89a95fc53eb3105eede3944644e7cb9515d19cfc (diff) | |
RDMA/usnic: Fix memleak in find_free_vf_and_create_qp_grp
commit a306aba9c8d869b1fdfc8ad9237f1ed718ea55e6 upstream.
If usnic_ib_qp_grp_create() fails at the first call, dev_list
will not be freed on error, which leads to memleak.
Fixes: e3cf00d0a87f ("IB/usnic: Add Cisco VIC low-level hardware driver")
Link: https://lore.kernel.org/r/20201226074248.2893-1-dinghao.liu@zju.edu.cn
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 8e18bfca5516..99d65f211b44 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -180,6 +180,7 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev, } usnic_uiom_free_dev_list(dev_list); + dev_list = NULL; } if (!found) { @@ -207,6 +208,8 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev, spin_unlock(&vf->lock); if (IS_ERR_OR_NULL(qp_grp)) { usnic_err("Failed to allocate qp_grp\n"); + if (usnic_ib_share_vf) + usnic_uiom_free_dev_list(dev_list); return ERR_PTR(qp_grp ? PTR_ERR(qp_grp) : -ENOMEM); } |