From patchwork Thu Jul 13 20:06:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heinrich Schuchardt X-Patchwork-Id: 787970 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 3x7n2V2Ghwz9s7C for ; Fri, 14 Jul 2017 06:08:50 +1000 (AEST) Received: by lists.denx.de (Postfix, from userid 105) id 0D4B5C21EAB; Thu, 13 Jul 2017 20:07:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=FREEMAIL_FROM, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id B2352C21BE6; Thu, 13 Jul 2017 20:06:57 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 34423C21DAC; Thu, 13 Jul 2017 20:06:54 +0000 (UTC) Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) by lists.denx.de (Postfix) with ESMTPS id C3E54C21E09 for ; Thu, 13 Jul 2017 20:06:53 +0000 (UTC) Received: from localhost.localdomain ([88.152.145.149]) by mail.gmx.com (mrgmx003 [212.227.17.190]) with ESMTPSA (Nemesis) id 0MU1MP-1d52ZI1f7J-00Qnkd; Thu, 13 Jul 2017 22:06:53 +0200 From: Heinrich Schuchardt To: Alexander Graf Date: Thu, 13 Jul 2017 22:06:21 +0200 Message-Id: <20170713200621.1453-5-xypron.glpk@gmx.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170713200621.1453-1-xypron.glpk@gmx.de> References: <20170713200621.1453-1-xypron.glpk@gmx.de> X-Provags-ID: V03:K0:DMqkiNJry6GG2YJ9M/RE+psl0GdjkVMhXltvzDijOLHyUnslTI9 l0XdC3lK6ruu2Gorg36Eq06YZP14a6NiGWpnyXpjJ1/Ks5Pr0a3J98e4wQMbpBOBqx2b1aY xR+hME9Ym273V3wpi2Pbu8BeIezOd8ELr6vWQP61VnPIVUXqBbZdfCRboz6UzCTPvob5lIr I4eOsFYRBA9xEc+V89xHg== X-UI-Out-Filterresults: notjunk:1; V01:K0:d1YjmAXbb9s=:6EpcV2vts01/+KdBMh1p0Z UpCnBDTLn/AYkYWBYBL7ejGi3UK2nZre4Tl7gmXbXE4E3TJi+iK+N8eZUVAY4TvBMBp4reF8L hzdc4oeEtO64YblJ5TQhnPDFDBy8lBkpWwy/k40dEQ6ZE6GOKdGbUMMedCEBzFZtAxAJ6OmUb Tm/gpVshyePLl8YVTPo+NSIvRMOtJ96ji3DSPZiOnalW2nrsGeg3s7y01TZxRLODVLC5EsCDx ywqUB/Y85TCnu6DkpAhpBdE7RmvT44fKvDZN2eqEaekmCuBH9Q/nMRxrNe33IqP+YWtI3vxnx c4Qo3Agdm1MAuskNOTr/vXJvn9jJpU0sCGIzY+hedSQbr37hpNOGQ7NfmQTxukbSVQ5FRLQ9B x4yRDGM5gf17pcC2kl/hUfG47PCgs7O+B7bANfIH6xqa998DAjqsuEY4LIz8h4X83Ld1ing6C Snrz3ObSuMHqAbYX3PIW2IvwK5G+yktuj/DlTkOD3yOhoLPgTJpO+KAKKJ20XxldYa2A5P4jm pmnJPazFwdOqOwRmyXGBuzFBiimACDv08z3DsfrCACikTKrePqMQwPbXQzrk2LLKorFxFIS61 6OXrimlIFe3F2K9cN4j8YeK+UCrIHtubqxlqQK+qGxVA+oueGHcjgxzn/LsSkE88rnv2OXzHh zRsVyoZCwdmDCQmyOQydywwedMjnP4MD9RxlNdLsxuQl2CGx03cPVZhTOtGg540nrfSEz2DN4 r8fuJDZiWWgRUxws8J0qet6hbmHwI4dDpUJUQ25VzQB3iaeiImtETMaosZYrHF+N2gqJjjI6e o0G/XVr7k5fPSwDLBXAVkMeo34/6w== Cc: u-boot@lists.denx.de, Heinrich Schuchardt Subject: [U-Boot] [PATCH 4/4] efi_loader: parameter check efi_convert_device_path_to_text X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Do not dereference NULL. Signed-off-by: Heinrich Schuchardt --- lib/efi_loader/efi_device_path_to_text.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/efi_loader/efi_device_path_to_text.c b/lib/efi_loader/efi_device_path_to_text.c index 746b34a377..81a6a91e66 100644 --- a/lib/efi_loader/efi_device_path_to_text.c +++ b/lib/efi_loader/efi_device_path_to_text.c @@ -39,6 +39,11 @@ uint16_t *efi_convert_device_path_to_text( efi_status_t r; uint16_t *buffer = NULL; + if (!device_path) { + EFI_EXIT(EFI_INVALID_PARAMETER); + return NULL; + } + switch (device_path->type) { case DEVICE_PATH_TYPE_MESSAGING_DEVICE: switch (device_path->sub_type) {