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[v1,1/1] MIPS: Alchemy: Switch to use kmemdup_array()

Message ID 20240606165145.3032150-1-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted
Commit bc2e65bfc5af404d44442fca6d8ae69657df1e11
Headers show
Series [v1,1/1] MIPS: Alchemy: Switch to use kmemdup_array() | expand

Commit Message

Andy Shevchenko June 6, 2024, 4:51 p.m. UTC
Let the kememdup_array() take care about multiplication and possible
overflows.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 arch/mips/alchemy/common/platform.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Comments

Thomas Bogendoerfer June 11, 2024, 8:54 a.m. UTC | #1
On Thu, Jun 06, 2024 at 07:51:45PM +0300, Andy Shevchenko wrote:
> Let the kememdup_array() take care about multiplication and possible
> overflows.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  arch/mips/alchemy/common/platform.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

applied to mips-next.

Thomas.
diff mbox series

Patch

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;