From d518a44d317d92f4c297ea26a308b1ac1a980d33 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 25 Aug 2017 11:43:59 +0300 Subject: [PATCH] IB/usnic: check for allocation failure usnic_uiom_get_dev_list() can return ERR_PTR(-ENOMEM) so we should check for that. Fixes: e3cf00d0a87f ("IB/usnic: Add Cisco VIC low-level hardware driver") Signed-off-by: Dan Carpenter Reviewed-by: Yuval Shaia Signed-off-by: Doug Ledford --- drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 97dd79ebb590..e4113ef09315 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -164,6 +164,8 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev, if (usnic_ib_share_vf) { /* Try to find resouces on a used vf which is in pd */ dev_list = usnic_uiom_get_dev_list(pd->umem_pd); + if (IS_ERR(dev_list)) + return ERR_CAST(dev_list); for (i = 0; dev_list[i]; i++) { dev = dev_list[i]; vf = pci_get_drvdata(to_pci_dev(dev)); -- 2.20.1