linux-kernel - [PATCH 3/6] IB/qib: use kmalloc_array

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Date:   Wed, 27 Sep 2017 10:20:35 +0200
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Damien Le Moal <damien.lemoal@....com>,
        Christoph Hellwig <hch@....de>,
        Johannes Thumshirn <jthumshirn@...e.de>
Subject: [PATCH 3/6] IB/qib: use kmalloc_array_node

Now that we have a NUMA-aware version of kmalloc_array() we can use it
instead of kmalloc_node() without an overflow check in the size
calculation.

Signed-off-by: Johannes Thumshirn <jthumshirn@...e.de>
---
 drivers/infiniband/hw/qib/qib_init.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index c5a4c65636d6..6aebf4e707b9 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -1674,8 +1674,9 @@ int qib_setup_eagerbufs(struct qib_ctxtdata *rcd)
 	}
 	if (!rcd->rcvegrbuf_phys) {
 		rcd->rcvegrbuf_phys =
-			kmalloc_node(chunk * sizeof(rcd->rcvegrbuf_phys[0]),
-				GFP_KERNEL, rcd->node_id);
+			kmalloc_array_node(chunk,
+					   sizeof(rcd->rcvegrbuf_phys[0]),
+					   GFP_KERNEL, rcd->node_id);
 		if (!rcd->rcvegrbuf_phys)
 			goto bail_rcvegrbuf;
 	}
-- 
2.13.5