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drm/virtio: Use struct_size() helper in kmalloc() 

Make use of the struct_size() helper instead of an open-coded version
in order to avoid any potential type mistakes.

This code was detected with the help of Coccinelle and, audited and
fixed manually.

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20200617215707.GA16785@embeddedor
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gustavo A. R. Silva 2020-06-17 16:57:07 -05:00 committed by Gerd Hoffmann
parent 66c8ef9006
commit 77cf3a6827
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/virtio/virtgpu_gem.c
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@ -154,9 +154,8 @@ void virtio_gpu_gem_object_close(struct drm_gem_object *obj,
struct virtio_gpu_object_array *virtio_gpu_array_alloc(u32 nents)
{
struct virtio_gpu_object_array *objs;
size_t size = sizeof(*objs) + sizeof(objs->objs[0]) * nents;
objs = kmalloc(size, GFP_KERNEL);
objs = kmalloc(struct_size(objs, objs, nents), GFP_KERNEL);
if (!objs)
return NULL;