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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2015-10-08 19:28:00 +0530
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-12-09 14:32:22 +0100
commit893da0c9bcb26acf1ac277f29231bb2a3b0aa95c (patch)
tree4fd72ad7489c195ff48515b99931bf3f212f524e /drivers/gpu/drm/i915/intel_dp.c
parent506a8e87d8d2746b9e9d2433503fe237c54e4750 (diff)
downloadop-kernel-dev-893da0c9bcb26acf1ac277f29231bb2a3b0aa95c.zip
op-kernel-dev-893da0c9bcb26acf1ac277f29231bb2a3b0aa95c.tar.gz
drm/i915: check for return value
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> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1444312681-10149-2-git-send-email-sudipm.mukherjee@gmail.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 7e3ffc3..78fe8e0 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5987,8 +5987,9 @@ intel_dp_init(struct drm_device *dev,
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;
@@ -6037,6 +6038,7 @@ intel_dp_init(struct drm_device *dev,
err_init_connector:
drm_encoder_cleanup(encoder);
+err_encoder_init:
kfree(intel_connector);
err_connector_alloc:
kfree(intel_dig_port);
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