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IB/usnic: check for allocation failure 

usnic_uiom_get_dev_list() can return ERR_PTR(-ENOMEM) so we should check
for that.

Fixes: e3cf00d0a8 ("IB/usnic: Add Cisco VIC low-level hardware driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Dan Carpenter 2017-08-25 11:43:59 +03:00 committed by Doug Ledford
parent 280ad49a97
commit d518a44d31
1 changed files with 2 additions and 0 deletions
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2
drivers/infiniband/hw/usnic/usnic_ib_verbs.c
View File

@ -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));