From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757753AbZHGMZu (ORCPT ); Fri, 7 Aug 2009 08:25:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757654AbZHGMZt (ORCPT ); Fri, 7 Aug 2009 08:25:49 -0400 Received: from rood.intersec.com ([88.191.78.202]:33319 "EHLO mx2.intersec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757664AbZHGMZr (ORCPT ); Fri, 7 Aug 2009 08:25:47 -0400 X-Intersec-Trusted-Host: yes From: Pierre Habouzit To: Ingo Molnar , Paul Mackerras , Peter Zijlstra Cc: linux-kernel@vger.kernel.org, Pierre Habouzit Subject: [PATCH 1/2] perf util: do_read should fail on EOF instead of busy-looping. Date: Fri, 7 Aug 2009 14:16:00 +0200 Message-Id: <1249647361-11582-2-git-send-email-pierre.habouzit@intersec.com> X-Mailer: git-send-email 1.6.4.rc2.183.g9085a In-Reply-To: <1249647361-11582-1-git-send-email-pierre.habouzit@intersec.com> References: <1249647361-11582-1-git-send-email-pierre.habouzit@intersec.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pierre Habouzit Signed-off-by: Pierre Habouzit --- tools/perf/util/header.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 450384b..531f2b9 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -185,6 +185,8 @@ static void do_read(int fd, void *buf, size_t size) if (ret < 0) die("failed to read"); + if (ret == 0) + die("failed to read: missing data"); size -= ret; buf += ret; -- 1.6.4.rc2.183.g9085a