From bc2e65bfc5af404d44442fca6d8ae69657df1e11 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 6 Jun 2024 19:51:45 +0300 Subject: MIPS: Alchemy: Switch to use kmemdup_array() Let the kememdup_array() take care about multiplication and possible overflows. Signed-off-by: Andy Shevchenko Signed-off-by: Thomas Bogendoerfer --- arch/mips/alchemy/common/platform.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'arch/mips/alchemy/common/platform.c') diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c index d4ab34b3b404..da74cae6b43a 100644 --- a/arch/mips/alchemy/common/platform.c +++ b/arch/mips/alchemy/common/platform.c @@ -409,8 +409,8 @@ static void __init alchemy_setup_macs(int ctype) if (alchemy_get_macs(ctype) < 1) return; - macres = kmemdup(au1xxx_eth0_resources[ctype], - sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); + macres = kmemdup_array(au1xxx_eth0_resources[ctype], MAC_RES_COUNT, + sizeof(*macres), GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC0 resources\n"); return; @@ -430,8 +430,8 @@ static void __init alchemy_setup_macs(int ctype) if (alchemy_get_macs(ctype) < 2) return; - macres = kmemdup(au1xxx_eth1_resources[ctype], - sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); + macres = kmemdup_array(au1xxx_eth1_resources[ctype], MAC_RES_COUNT, + sizeof(*macres), GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC1 resources\n"); return; -- cgit v1.2.3