summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband
diff options
context:
space:
mode:
authorDinghao Liu <dinghao.liu@zju.edu.cn>2020-12-26 15:42:48 +0800
committerJason Gunthorpe <jgg@nvidia.com>2021-01-07 16:07:12 -0400
commita306aba9c8d869b1fdfc8ad9237f1ed718ea55e6 (patch)
treeb9c7ca37323ef42d8a615271f3fab857833dcca9 /drivers/infiniband
parent3c638cdb8ecc0442552156e0fed8708dd2c7f35b (diff)
downloadlinux-a306aba9c8d869b1fdfc8ad9237f1ed718ea55e6.tar.gz
linux-a306aba9c8d869b1fdfc8ad9237f1ed718ea55e6.tar.bz2
linux-a306aba9c8d869b1fdfc8ad9237f1ed718ea55e6.zip
RDMA/usnic: Fix memleak in find_free_vf_and_create_qp_grp
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib_verbs.c3
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 38a37770c016..3705c6b8b223 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -214,6 +214,7 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
}
usnic_uiom_free_dev_list(dev_list);
+ dev_list = NULL;
}
/* Try to find resources on an unused vf */
@@ -239,6 +240,8 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
qp_grp_check:
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);
}
return qp_grp;