Re: [PATCH 1/3] drm/i915: allocate mock file pointer dynamically
From: Arnd Bergmann
Date: Mon Mar 20 2017 - 08:33:01 EST
On Mon, Mar 20, 2017 at 1:00 PM, Joonas Lahtinen
<joonas.lahtinen@xxxxxxxxxxxxxxx> wrote:
> On ma, 2017-03-20 at 10:40 +0100, Arnd Bergmann wrote:
>> diff --git a/drivers/gpu/drm/i915/selftests/mock_drm.c b/drivers/gpu/drm/i915/selftests/mock_drm.c
>> index 113dec05c7dc..18514065c93d 100644
>> --- a/drivers/gpu/drm/i915/selftests/mock_drm.c
>> +++ b/drivers/gpu/drm/i915/selftests/mock_drm.c
>> @@ -32,15 +32,15 @@ static inline struct inode fake_inode(struct drm_i915_private *i915)
>> struct drm_file *mock_file(struct drm_i915_private *i915)
>> {
>> > struct inode inode = fake_inode(i915);
>> > - struct file filp = {};
>> > + struct file *filp = kzalloc(sizeof(struct file), GFP_KERNEL);
>> > struct drm_file *file;
>> > int err;
>>
>
> filp = kzalloc(sizeof(*filp), GFP_KERNEL);
> if (unlikely(!filp)) {
> err = -ENOMEM;
> goto err;
> }
>
> And appropriate onion teardown in case drm_open fails, so that we don't
> leak memory.
Oops, of course you are right, sorry about that.
Arnd