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Date: Wed, 22 Nov 2017 01:58:13 +0000 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org CC: akpm@...ux-foundation.org, "Doug Ledford" <dledford@...hat.com>, "Dan Carpenter" <dan.carpenter@...cle.com>, "Yuval Shaia" <yuval.shaia@...cle.com> Subject: [PATCH 3.16 062/133] IB/usnic: check for allocation failure 3.16.51-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter <dan.carpenter@...cle.com> commit d518a44d317d92f4c297ea26a308b1ac1a980d33 upstream. 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 <dan.carpenter@...cle.com> Reviewed-by: Yuval Shaia <yuval.shaia@...cle.com> Signed-off-by: Doug Ledford <dledford@...hat.com> Signed-off-by: Ben Hutchings <ben@...adent.org.uk> --- drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -148,6 +148,8 @@ find_free_vf_and_create_qp_grp(struct us 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));
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