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drm/i915: Fix memory leak in intel_dsi_init() error path

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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@linux.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Christoph Jaeger 2014-06-13 21:51:22 +02:00 committed by Daniel Vetter
parent 5755c78f77
commit 868d665b43
1 changed files with 7 additions and 7 deletions
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14
drivers/gpu/drm/i915/intel_dsi.c
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@ -675,6 +675,13 @@ void intel_dsi_init(struct drm_device *dev)
if (!dev_priv->vbt.has_mipi)
return;
if (IS_VALLEYVIEW(dev)) {
dev_priv->mipi_mmio_base = VLV_MIPI_BASE;
} else {
DRM_ERROR("Unsupported Mipi device to reg base");
return;
}
intel_dsi = kzalloc(sizeof(*intel_dsi), GFP_KERNEL);
if (!intel_dsi)
return;
@ -689,13 +696,6 @@ void 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;
}
connector = &intel_connector->base;
drm_encoder_init(dev, encoder, &intel_dsi_funcs, DRM_MODE_ENCODER_DSI);