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amdkfd: use calloc instead of kzalloc to avoid integer overflow

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commit 3b0daecfeac0103aba8b293df07a0cbaf8b43f29 upstream.

This uses calloc instead of doing the multiplication which might
overflow.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dave Airlie 2024-04-12 06:11:25 +10:00 • committed by Ksawlii
parent ecbbbd28e9
commit ddb3855894
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
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@ -959,8 +959,8 @@ 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;