From 2911063011fc7adcb43c93e9c3e9dc7798f459f5 Mon Sep 17 00:00:00 2001 From: Markus Elfring Date: Sun, 16 Apr 2017 21:23:19 +0200 Subject: [PATCH] net: mvneta: Use devm_kmalloc_array() in mvneta_init() * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "devm_kmalloc_array". This issue was detected by using the Coccinelle software. * Replace the specification of a data type by a pointer dereference to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/mvneta.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 0992db47070f..652e7ab4b708 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -4027,9 +4027,11 @@ static int mvneta_init(struct device *dev, struct mvneta_port *pp) rxq->size = pp->rx_ring_size; rxq->pkts_coal = MVNETA_RX_COAL_PKTS; rxq->time_coal = MVNETA_RX_COAL_USEC; - rxq->buf_virt_addr = devm_kmalloc(pp->dev->dev.parent, - rxq->size * sizeof(void *), - GFP_KERNEL); + rxq->buf_virt_addr + = devm_kmalloc_array(pp->dev->dev.parent, + rxq->size, + sizeof(*rxq->buf_virt_addr), + GFP_KERNEL); if (!rxq->buf_virt_addr) return -ENOMEM; }