Commit 9cd8062b authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Will Deacon
Browse files

ACPI/IORT: Switch to use kmemdup_array() 



Let the kememdup_array() take care about multiplication and possible
overflows.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarHanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/20240606165005.3031490-1-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 7c626ce4

drivers/acpi/arm64/iort.c

+1 −1
Original line number Diff line number Diff line
@@ -822,7 +822,7 @@ static struct iommu_iort_rmr_data *iort_rmr_alloc( 
		return NULL;



	/* Create a copy of SIDs array to associate with this rmr_data */

	sids_copy = kmemdup(sids, num_sids * sizeof(*sids), GFP_KERNEL);

	sids_copy = kmemdup_array(sids, num_sids, sizeof(*sids), GFP_KERNEL);

	if (!sids_copy) {

		kfree(rmr_data);

		return NULL;