From c413af877ffa8a8c28796c9d156cf40a83e58994 Mon Sep 17 00:00:00 2001
From: Johannes Thumshirn <jthumshirn@suse.de>
Date: Wed, 15 Nov 2017 17:32:49 -0800
Subject: [PATCH] net/rds/ib_fmr.c: 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.

Link: http://lkml.kernel.org/r/20170927082038.3782-7-jthumshirn@suse.de
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Lameter <cl@linux.com>
Cc: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Damien Le Moal <damien.lemoal@wdc.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Mike Marciniszyn <infinipath@intel.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 net/rds/ib_fmr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/rds/ib_fmr.c b/net/rds/ib_fmr.c
index 86ef907..e0f70c4 100644
--- a/net/rds/ib_fmr.c
+++ b/net/rds/ib_fmr.c
@@ -139,8 +139,8 @@ static int rds_ib_map_fmr(struct rds_ib_device *rds_ibdev,
 		return -EINVAL;
 	}
 
-	dma_pages = kmalloc_node(sizeof(u64) * page_cnt, GFP_ATOMIC,
-				 rdsibdev_to_node(rds_ibdev));
+	dma_pages = kmalloc_array_node(sizeof(u64), page_cnt, GFP_ATOMIC,
+				       rdsibdev_to_node(rds_ibdev));
 	if (!dma_pages) {
 		ib_dma_unmap_sg(dev, sg, nents, DMA_BIDIRECTIONAL);
 		return -ENOMEM;
-- 
2.7.4