Commit 62ab420f authored Dec 30, 2015 by Insu Yun Committed by Jani Nikula Jan 04, 2016

i915: correctly handling failed allocation



Since devm_kzalloc can be failed, it needs to be checked
if not, NULL dereference could be happened.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451491169-35068-1-git-send-email-wuninsu@gmail.com


Signed-off-by: Jani Nikula <jani.nikula@intel.com>

parent eba51190

drivers/gpu/drm/i915/intel_dsi_panel_vbt.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -666,6 +666,8 @@ struct drm_panel vbt_panel_init(struct intel_dsi intel_dsi, u16 panel_id)

		/* This is cheating a bit with the cleanup. */
		vbt_panel = devm_kzalloc(dev->dev, sizeof(*vbt_panel), GFP_KERNEL);
		if (!vbt_panel)
		return NULL;

		vbt_panel->intel_dsi = intel_dsi;
		drm_panel_init(&vbt_panel->panel);