Messages in this thread Patch in this message | | | From | Sudip Mukherjee <> | Subject | [PATCH RESEND 2/3] drm/i915: check for return value | Date | Thu, 8 Oct 2015 19:28:00 +0530 |
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We were not checking the return value of drm_encoder_init() which can fail. And if it fails then we will be working with an uninitialized encoder.
Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> ---
Sent on 27/07/2015
drivers/gpu/drm/i915/intel_dp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 18bcfbe..2a8b47e 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -6174,8 +6174,9 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port) intel_encoder = &intel_dig_port->base; encoder = &intel_encoder->base; - drm_encoder_init(dev, &intel_encoder->base, &intel_dp_enc_funcs, - DRM_MODE_ENCODER_TMDS); + if (drm_encoder_init(dev, &intel_encoder->base, &intel_dp_enc_funcs, + DRM_MODE_ENCODER_TMDS)) + goto err_encoder_init; intel_encoder->compute_config = intel_dp_compute_config; intel_encoder->disable = intel_disable_dp; @@ -6224,6 +6225,7 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port) err_init_connector: drm_encoder_cleanup(encoder); +err_encoder_init: kfree(intel_connector); err_connector_alloc: kfree(intel_dig_port); -- 1.9.1
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