[PATCH] drm/amdgpu: check for allocation failure in amdgpu_vkms_sw_init()
Christian König
christian.koenig at amd.com
Fri Aug 6 15:09:05 UTC 2021
Am 06.08.21 um 17:05 schrieb Dan Carpenter:
> Check whether the kcalloc() fails and return -ENOMEM if it does.
>
> Fixes: eeba0b9046fc ("drm/amdgpu: create amdgpu_vkms (v4)")
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
> index 50bdc39733aa..ce982afeff91 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
> @@ -482,6 +482,8 @@ static int amdgpu_vkms_sw_init(void *handle)
> return r;
>
> adev->amdgpu_vkms_output = kcalloc(adev->mode_info.num_crtc, sizeof(struct amdgpu_vkms_output), GFP_KERNEL);
Is the line above not a bit long?
> + if (!adev->amdgpu_vkms_output)
> + return -ENOMEM;
>
> /* allocate crtcs, encoders, connectors */
> for (i = 0; i < adev->mode_info.num_crtc; i++) {
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