* [PATCH] drm/amdgpu: check for allocation failure in amdgpu_vkms_sw_init()
@ 2021-08-06 15:05 Dan Carpenter
2021-08-06 15:09 ` Christian König
0 siblings, 1 reply; 3+ messages in thread
From: Dan Carpenter @ 2021-08-06 15:05 UTC (permalink / raw)
To: Alex Deucher, Ryan Taylor
Cc: Christian König, Pan, Xinhui, David Airlie, Daniel Vetter,
amd-gfx, dri-devel, kernel-janitors
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@oracle.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);
+ if (!adev->amdgpu_vkms_output)
+ return -ENOMEM;
/* allocate crtcs, encoders, connectors */
for (i = 0; i < adev->mode_info.num_crtc; i++) {
--
2.20.1
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] drm/amdgpu: check for allocation failure in amdgpu_vkms_sw_init()
2021-08-06 15:05 [PATCH] drm/amdgpu: check for allocation failure in amdgpu_vkms_sw_init() Dan Carpenter
@ 2021-08-06 15:09 ` Christian König
2021-08-06 19:57 ` Alex Deucher
0 siblings, 1 reply; 3+ messages in thread
From: Christian König @ 2021-08-06 15:09 UTC (permalink / raw)
To: Dan Carpenter, Alex Deucher, Ryan Taylor
Cc: Pan, Xinhui, David Airlie, Daniel Vetter, amd-gfx, dri-devel,
kernel-janitors
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@oracle.com>
Reviewed-by: Christian König <christian.koenig@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++) {
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] drm/amdgpu: check for allocation failure in amdgpu_vkms_sw_init()
2021-08-06 15:09 ` Christian König
@ 2021-08-06 19:57 ` Alex Deucher
0 siblings, 0 replies; 3+ messages in thread
From: Alex Deucher @ 2021-08-06 19:57 UTC (permalink / raw)
To: Christian König
Cc: Dan Carpenter, Alex Deucher, Ryan Taylor, Pan, Xinhui,
David Airlie, Daniel Vetter, amd-gfx list,
Maling list - DRI developers, kernel-janitors
Applied. Thanks!
Alex
On Fri, Aug 6, 2021 at 11:09 AM Christian König
<christian.koenig@amd.com> wrote:
>
> 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@oracle.com>
>
> Reviewed-by: Christian König <christian.koenig@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++) {
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-08-06 15:05 [PATCH] drm/amdgpu: check for allocation failure in amdgpu_vkms_sw_init() Dan Carpenter
2021-08-06 15:09 ` Christian König
2021-08-06 19:57 ` Alex Deucher
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