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net: thunderx: Use struct_size() helper in kmalloc()

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Make use of the new struct_size() helper instead of the offsetof() idiom.

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2020-10-08 09:28:06 -05:00 committed by Jakub Kicinski
parent 8df245c40a
commit f6e5ee6a2f
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/cavium/thunder/nicvf_main.c
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@ -2065,8 +2065,8 @@ static void nicvf_set_rx_mode(struct net_device *netdev)
mode |= BGX_XCAST_MCAST_FILTER;
/* here we need to copy mc addrs */
if (netdev_mc_count(netdev)) {
mc_list = kmalloc(offsetof(typeof(*mc_list),
mc[netdev_mc_count(netdev)]),
mc_list = kmalloc(struct_size(mc_list, mc,
netdev_mc_count(netdev)),
GFP_ATOMIC);
if (unlikely(!mc_list))
return;