From 62ab420f7458feb4ef1fa2ef094ee00af9844253 Mon Sep 17 00:00:00 2001 From: Insu Yun Date: Wed, 30 Dec 2015 10:59:29 -0500 Subject: [PATCH] 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 Link: http://patchwork.freedesktop.org/patch/msgid/1451491169-35068-1-git-send-email-wuninsu@gmail.com Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c index a5e99ac305da..aa1f7bc8f4d0 100644 --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c @@ -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); -- 2.20.1