On 2024/8/9 20:16, Andy Shevchenko wrote:
On Fri, Jun 14, 2024 at 08:54:39AM +0800, Hanjun Guo wrote:
+Cc Catalin
On 2024/6/11 18:42, Hanjun Guo wrote:
On 2024/6/7 0:50, Andy Shevchenko wrote:
Let the kememdup_array() take care about multiplication and possible
overflows.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/acpi/arm64/iort.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index c0b1c2c19444..e596dff20f1e 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -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;
Looks good to me,
Acked-by: Hanjun Guo <guohanjun@xxxxxxxxxx>
Catalin, would you mind pick this up as well?
Any news?
I do not see this even in Linux Next...
Sudeep, Lorenzo, would you mind giving it a go?
Thanks
Hanjun