Re: [PATCH AUTOSEL 5.4 001/330] drm/v3d: don't leak bin job if v3d_job_init fails.

2020-09-17 Thread Eric Anholt
On Thu, Sep 17, 2020 at 7:01 PM Sasha Levin  wrote:
>
> From: Iago Toral Quiroga 
>
> [ Upstream commit 0d352a3a8a1f26168d09f7073e61bb4b328e3bb9 ]
>
> If the initialization of the job fails we need to kfree() it
> before returning.
>
> Signed-off-by: Iago Toral Quiroga 
> Signed-off-by: Eric Anholt 
> Link: 
> https://patchwork.freedesktop.org/patch/msgid/20190916071125.5255-1-ito...@igalia.com
> Fixes: a783a09ee76d ("drm/v3d: Refactor job management.")
> Reviewed-by: Eric Anholt 
> Signed-off-by: Sasha Levin 

You're double freeing with this patch, the bug is already solved.

> ---
>  drivers/gpu/drm/v3d/v3d_gem.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
> index 19c092d75266b..6316bf3646af5 100644
> --- a/drivers/gpu/drm/v3d/v3d_gem.c
> +++ b/drivers/gpu/drm/v3d/v3d_gem.c
> @@ -565,6 +565,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
> ret = v3d_job_init(v3d, file_priv, >base,
>v3d_job_free, args->in_sync_bcl);
> if (ret) {
> +   kfree(bin);
> v3d_job_put(>base);
> kfree(bin);
> return ret;
> --
> 2.25.1
>


[PATCH AUTOSEL 5.4 001/330] drm/v3d: don't leak bin job if v3d_job_init fails.

2020-09-17 Thread Sasha Levin
From: Iago Toral Quiroga 

[ Upstream commit 0d352a3a8a1f26168d09f7073e61bb4b328e3bb9 ]

If the initialization of the job fails we need to kfree() it
before returning.

Signed-off-by: Iago Toral Quiroga 
Signed-off-by: Eric Anholt 
Link: 
https://patchwork.freedesktop.org/patch/msgid/20190916071125.5255-1-ito...@igalia.com
Fixes: a783a09ee76d ("drm/v3d: Refactor job management.")
Reviewed-by: Eric Anholt 
Signed-off-by: Sasha Levin 
---
 drivers/gpu/drm/v3d/v3d_gem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index 19c092d75266b..6316bf3646af5 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -565,6 +565,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
ret = v3d_job_init(v3d, file_priv, >base,
   v3d_job_free, args->in_sync_bcl);
if (ret) {
+   kfree(bin);
v3d_job_put(>base);
kfree(bin);
return ret;
-- 
2.25.1