From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VlLOn-0008Ja-13 for barebox@lists.infradead.org; Tue, 26 Nov 2013 16:22:05 +0000 From: Sascha Hauer Date: Tue, 26 Nov 2013 17:21:41 +0100 Message-Id: <1385482901-23057-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] ARM: start: fix fdt inside valid memory check To: barebox@lists.infradead.org We want to check whether boarddata contains a valid dtb if it's inside valid memory. This includes the base of SDRAM, so use '>=' instead of '>'. Signed-off-by: Sascha Hauer --- arch/arm/cpu/start.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c index f0a7df3..21c63c0 100644 --- a/arch/arm/cpu/start.c +++ b/arch/arm/cpu/start.c @@ -82,7 +82,7 @@ static noinline __noreturn void __start(uint32_t membase, uint32_t memsize, * If boarddata is a pointer inside valid memory and contains a * FDT magic then use it as later to probe devices */ - if (boarddata > membase && boarddata < membase + memsize && + if (boarddata >= membase && boarddata < membase + memsize && get_unaligned_be32((void *)boarddata) == FDT_MAGIC) { uint32_t totalsize = get_unaligned_be32((void *)boarddata + 4); endmem -= ALIGN(totalsize, 64); -- 1.8.4.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox