On Fri, Jun 13, 2014 at 09:51:22PM +0200, Christoph Jaeger wrote:
> intel_dsi_init() bails out without freeing the memory 'intel_dsi' and
> 'intel_connector' point to. Simply bail out before allocating memory.
>
> Picked up by Coverity - CID 1222750.
>
> Signed-off-by: Christoph Jaeger <christophjaeger@xxxxxxxxx>
Queued for -next, thanks for the patch. I've had to rebase the patch a
bit to resolve conflicts. Imo also not for -fixes because of this conflict
potential, so will land in 3.17.
-Daniel
> ---
> drivers/gpu/drm/i915/intel_dsi.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
> index 02f99d7..6965627 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/intel_dsi.c
> @@ -675,6 +675,13 @@ bool intel_dsi_init(struct drm_device *dev)
> if (!dev_priv->vbt.has_mipi)
> return false;
>
> + if (IS_VALLEYVIEW(dev)) {
> + dev_priv->mipi_mmio_base = VLV_MIPI_BASE;
> + } else {
> + DRM_ERROR("Unsupported Mipi device to reg base");
> + return false;
> + }
> +
> intel_dsi = kzalloc(sizeof(*intel_dsi), GFP_KERNEL);
> if (!intel_dsi)
> return false;
> @@ -689,13 +696,6 @@ bool intel_dsi_init(struct drm_device *dev)
> encoder = &intel_encoder->base;
> intel_dsi->attached_connector = intel_connector;
>
> - if (IS_VALLEYVIEW(dev)) {
> - dev_priv->mipi_mmio_base = VLV_MIPI_BASE;
> - } else {
> - DRM_ERROR("Unsupported Mipi device to reg base");
> - return false;
> - }
> -
> connector = &intel_connector->base;
>
> drm_encoder_init(dev, encoder, &intel_dsi_funcs, DRM_MODE_ENCODER_DSI);
> --
> 1.9.3
>
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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