Re: [PATCH 2/13] drivers/gpu/drm/i915: Remove redundant test

From: Eric Anholt
Date: Sun Dec 21 2008 - 13:16:52 EST


On Sun, 2008-12-21 at 16:28 +0100, Julia Lawall wrote:
> From: Julia Lawall <julia@xxxxxxx>
>
> object_list is checked to be not NULL near the beginning of the function and
> is not updated subsequently.
>
> A simplified version of the semantic patch that makes this change is as
> follows: (http://www.emn.fr/x-info/coccinelle/)
>
> // <smpl>

Committed. Thanks!

> ---
> drivers/gpu/drm/i915/i915_gem.c | 11 +++++------
> 1 files changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index fccf199..78319ec 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -2611,13 +2611,12 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
> "back to user (%d)\n",
> args->buffer_count, ret);
> err:
> - if (object_list != NULL) {
> - for (i = 0; i < pinned; i++)
> - i915_gem_object_unpin(object_list[i]);
> + for (i = 0; i < pinned; i++)
> + i915_gem_object_unpin(object_list[i]);
> +
> + for (i = 0; i < args->buffer_count; i++)
> + drm_gem_object_unreference(object_list[i]);
>
> - for (i = 0; i < args->buffer_count; i++)
> - drm_gem_object_unreference(object_list[i]);
> - }
> mutex_unlock(&dev->struct_mutex);
>
> pre_mutex_err:
> --
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--
Eric Anholt
eric@xxxxxxxxxx eric.anholt@xxxxxxxxx


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