From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Permerror (SPF Permanent Error: More than 10 MX records returned) identity=mailfrom; client-ip=192.55.52.151; helo=mga17.intel.com; envelope-from=star.zeng@intel.com; receiver=edk2-devel@lists.01.org Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id BE7FF220EE136 for ; Tue, 12 Dec 2017 19:23:20 -0800 (PST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Dec 2017 19:27:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,396,1508828400"; d="scan'208";a="186187008" Received: from shwdeopenpsi068.ccr.corp.intel.com ([10.239.158.46]) by fmsmga005.fm.intel.com with ESMTP; 12 Dec 2017 19:27:58 -0800 From: Star Zeng To: edk2-devel@lists.01.org Cc: Star Zeng , Hao Wu , Jiewen Yao Date: Wed, 13 Dec 2017 11:27:56 +0800 Message-Id: <1513135676-16632-1-git-send-email-star.zeng@intel.com> X-Mailer: git-send-email 2.7.0.windows.1 Subject: [PATCH] MdeModulePkg PiSmmCore: Ensure SxDispatch not NULL before dereferenced X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Dec 2017 03:23:20 -0000 Cc: Hao Wu Cc: Jiewen Yao Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Star Zeng --- MdeModulePkg/Core/PiSmmCore/PiSmmCore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c index 1ccb9c7787ad..f136b5d5693b 100644 --- a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c +++ b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c @@ -321,7 +321,7 @@ SmmReadyToBootHandler ( NULL, (VOID **)&SxDispatch ); - if (!EFI_ERROR (Status)) { + if (!EFI_ERROR (Status) && (SxDispatch != NULL)) { // // Register a S3 entry callback function to // determine if it will be during S3 resume. -- 2.7.0.windows.1