Re: [RFC 24/25] drm/i915: Zero fill the request structure

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On Fri, Oct 10, 2014 at 12:41:12PM +0100, John.C.Harrison@xxxxxxxxx wrote:
> From: John Harrison <John.C.Harrison@xxxxxxxxx>
> 
> For: VIZ-4377
> Signed-off-by: John.C.Harrison@xxxxxxxxx

I think this should be squashed (well, split first) into the relevant
earlier patches. Generally I much prefer kzalloc, and we use that almost
everywhere.

Or does this silently fix some issue and doesn't tell?
-Daniel

> ---
>  drivers/gpu/drm/i915/intel_lrc.c        |    3 +--
>  drivers/gpu/drm/i915/intel_ringbuffer.c |    3 +--
>  2 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index 97e6b92..5a75eb5 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -802,13 +802,12 @@ static int logical_ring_alloc_request(struct intel_engine_cs *ring,
>  	if (ring->outstanding_lazy_request)
>  		return 0;
>  
> -	request = kmalloc(sizeof(*request), GFP_KERNEL);
> +	request = kzalloc(sizeof(*request), GFP_KERNEL);
>  	if (request == NULL)
>  		return -ENOMEM;
>  
>  	kref_init(&request->ref);
>  	request->ring = ring;
> -	request->complete = false;
>  
>  	ret = i915_gem_get_seqno(ring->dev, &request->seqno);
>  	if (ret) {
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index df9c7e3..0f2719d 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -2017,13 +2017,12 @@ intel_ring_alloc_request(struct intel_engine_cs *ring)
>  	if (ring->outstanding_lazy_request)
>  		return 0;
>  
> -	request = kmalloc(sizeof(*request), GFP_KERNEL);
> +	request = kzalloc(sizeof(*request), GFP_KERNEL);
>  	if (request == NULL)
>  		return -ENOMEM;
>  
>  	kref_init(&request->ref);
>  	request->ring = ring;
> -	request->complete = false;
>  
>  	ret = i915_gem_get_seqno(ring->dev, &request->seqno);
>  	if (ret) {
> -- 
> 1.7.9.5
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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