diff mbox

[v1,1/4] drm/i915: Do kunmap if renderstate parsing fails

Message ID 1437149334-33617-2-git-send-email-arun.siluvery@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

arun.siluvery@linux.intel.com July 17, 2015, 4:08 p.m. UTC 
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>

Kunmap the renderstate page on error path.

Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
---
 drivers/gpu/drm/i915/i915_gem_render_state.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

Comments

Daniel Vetter July 21, 2015, 7:26 a.m. UTC | #1 
On Fri, Jul 17, 2015 at 05:08:51PM +0100, Arun Siluvery wrote:
> From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> 
> Kunmap the renderstate page on error path.
> 
> Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
> Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>

Queued for -next, thanks for the patch.
-Daniel

> ---
>  drivers/gpu/drm/i915/i915_gem_render_state.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c
> index a0201fc..b6492fe 100644
> --- a/drivers/gpu/drm/i915/i915_gem_render_state.c
> +++ b/drivers/gpu/drm/i915/i915_gem_render_state.c
> @@ -96,8 +96,10 @@ static int render_state_setup(struct render_state *so)
>  			s = lower_32_bits(r);
>  			if (so->gen >= 8) {
>  				if (i + 1 >= rodata->batch_items ||
> -				    rodata->batch[i + 1] != 0)
> -					return -EINVAL;
> +				    rodata->batch[i + 1] != 0) {
> +					ret = -EINVAL;
> +					goto err_out;
> +				}
>  
>  				d[i++] = s;
>  				s = upper_32_bits(r);
> @@ -120,6 +122,10 @@ static int render_state_setup(struct render_state *so)
>  	}
>  
>  	return 0;
> +
> +err_out:
> +	kunmap(page);
> +	return ret;
>  }
>  
>  void i915_gem_render_state_fini(struct render_state *so)
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c
index a0201fc..b6492fe 100644
--- a/drivers/gpu/drm/i915/i915_gem_render_state.c
+++ b/drivers/gpu/drm/i915/i915_gem_render_state.c
@@ -96,8 +96,10 @@  static int render_state_setup(struct render_state *so)
 			s = lower_32_bits(r);
 			if (so->gen >= 8) {
 				if (i + 1 >= rodata->batch_items ||
-				    rodata->batch[i + 1] != 0)
-					return -EINVAL;
+				    rodata->batch[i + 1] != 0) {
+					ret = -EINVAL;
+					goto err_out;
+				}
 
 				d[i++] = s;
 				s = upper_32_bits(r);
@@ -120,6 +122,10 @@  static int render_state_setup(struct render_state *so)
 	}
 
 	return 0;
+
+err_out:
+	kunmap(page);
+	return ret;
 }
 
 void i915_gem_render_state_fini(struct render_state *so)