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authorDave Airlie <airlied@redhat.com>2024-04-12 06:11:25 +1000
committerDave Airlie <airlied@redhat.com>2024-04-12 11:11:59 +1000
commit3b0daecfeac0103aba8b293df07a0cbaf8b43f29 (patch)
treea914344246e250cddf322f3056d2f397432e7b4c /drivers
parent6d8372713c6db77ce1f9ec163d37aa1b54d4a03e (diff)
amdkfd: use calloc instead of kzalloc to avoid integer overflow
This uses calloc instead of doing the multiplication which might overflow. Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_chardev.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index f9631f4b1a02..55aa74cbc532 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -779,8 +779,8 @@ static int kfd_ioctl_get_process_apertures_new(struct file *filp,
* nodes, but not more than args->num_of_nodes as that is
* the amount of memory allocated by user
*/
- pa = kzalloc((sizeof(struct kfd_process_device_apertures) *
- args->num_of_nodes), GFP_KERNEL);
+ pa = kcalloc(args->num_of_nodes, sizeof(struct kfd_process_device_apertures),
+ GFP_KERNEL);
if (!pa)
return -ENOMEM;