From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Loeliger Subject: Re: [PATCH] Fix an overflow case in fdt_offset_ptr() detected by GCC 4.3. Date: Mon, 29 Sep 2008 16:13:27 -0500 Message-ID: References: <1222358537.25112.7.camel@ld0161-tx32> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <1222358537.25112.7.camel@ld0161-tx32> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-mnsaURCQ41sdnm+yROfE0A@public.gmane.org Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-mnsaURCQ41sdnm+yROfE0A@public.gmane.org To: Jon Loeliger Cc: devicetree-discuss , Stephen Papacharalambous List-Id: devicetree@vger.kernel.org > > Using Gcc 4.3 detected this problem: > > ../dtc/libfdt/fdt.c: In function 'fdt_next_tag': > ../dtc/libfdt/fdt.c:82: error: assuming signed overflow does not > occur when assuming that (X + c) < X is always false > > To fix the problem, treat the offset as an unsigned int. > > The problem report and proposed fix were provided > by Steve Papacharalambous . > > Signed-off-by: Jon Loeliger Applied. jdl