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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Christian Benvenuti
	<benve-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
	Upinder Malhi <umalhi-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Cc: Dave Goodell <dgoodell-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
	Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Hal Rosenstock
	<hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH] IB/usnic: check for allocation failure
Date: Fri, 25 Aug 2017 08:43:59 +0000	[thread overview]
Message-ID: <20170825083030.rga3kllp55xnr3jf@mwanda> (raw)

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@oracle.com>

diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index e5f57dd49980..e8523882e33b 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));

             reply	other threads:[~2017-08-25  8:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-25  8:43 Dan Carpenter [this message]
2017-08-27  8:32 ` [PATCH] IB/usnic: check for allocation failure Yuval Shaia
2017-08-28 23:16 ` Doug Ledford

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