From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753817AbbL3P4s (ORCPT ); Wed, 30 Dec 2015 10:56:48 -0500 Received: from mail-yk0-f171.google.com ([209.85.160.171]:33353 "EHLO mail-yk0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752519AbbL3P4o (ORCPT ); Wed, 30 Dec 2015 10:56:44 -0500 From: Insu Yun To: daniel.vetter@intel.com, jani.nikula@linux.intel.com, airlied@linux.ie, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: taesoo@gatech.edu, yeongjin.jang@gatech.edu, insu@gatech.edu, changwoo@gatech.edu, Insu Yun Subject: [PATCH v2] i915: correctly handling failed allocation Date: Wed, 30 Dec 2015 10:59:29 -0500 Message-Id: <1451491169-35068-1-git-send-email-wuninsu@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since devm_kzalloc can be failed, it needs to be checked if not, NULL dereference could be happened. Signed-off-by: Insu Yun --- 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 a5e99ac..aa1f7bc 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); -- 1.9.1