From: Daniel Vetter <daniel.vet...@ffwll.ch>
struct intel_dp contains both struct intel_encoder at the beginning (as
it's base-class) and an i2c adapater. When initializing, the i2c adapter
gets assigned
intel_encoder->ddc_adaptor = &intel_dp->adapter
and the generic intel_encode_destroy happily calls kfree on this pointer.
Ouch. Fix this by using a dp specific cleanup function.
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/intel_dp.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 9caccd0..999ac91 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1481,6 +1481,15 @@ intel_dp_destroy (struct drm_connector *connector)
kfree(connector);
}
+static void intel_dp_encoder_destroy(struct drm_encoder *encoder)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+
+ i2c_del_adapter(&intel_dp->adapter);
+ drm_encoder_cleanup(encoder);
+ kfree(intel_dp);
+}
+
static const struct drm_encoder_helper_funcs intel_dp_helper_funcs = {
.dpms = intel_dp_dpms,
.mode_fixup = intel_dp_mode_fixup,
@@ -1503,7 +1512,7 @@ static const struct drm_connector_helper_funcs
intel_dp_connector_helper_funcs =
};
static const struct drm_encoder_funcs intel_dp_enc_funcs = {
- .destroy = intel_encoder_destroy,
+ .destroy = intel_dp_encoder_destroy,
};
void
--
1.7.1
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