From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935837Ab3BTPe2 (ORCPT ); Wed, 20 Feb 2013 10:34:28 -0500 Received: from mail.skyhub.de ([78.46.96.112]:50999 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934944Ab3BTPci (ORCPT ); Wed, 20 Feb 2013 10:32:38 -0500 From: Borislav Petkov To: LKML Cc: Arnaldo Carvalho de Melo , Steven Rostedt , Ingo Molnar , Borislav Petkov Subject: [PATCH 1/7] perf, debugfs: Remove a write-only variable Date: Wed, 20 Feb 2013 16:32:27 +0100 Message-Id: <1361374353-30385-2-git-send-email-bp@alien8.de> X-Mailer: git-send-email 1.8.1.3.535.ga923c31 In-Reply-To: <1361374353-30385-1-git-send-email-bp@alien8.de> References: <1361374353-30385-1-git-send-email-bp@alien8.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov debugfs_premounted is written-to only so drop it. This functionality is covered by debugfs_found now. Make it a bool while at it. Signed-off-by: Borislav Petkov --- tools/perf/util/debugfs.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/tools/perf/util/debugfs.c b/tools/perf/util/debugfs.c index dd8b19319c03..e55495c7823a 100644 --- a/tools/perf/util/debugfs.c +++ b/tools/perf/util/debugfs.c @@ -5,7 +5,6 @@ #include #include -static int debugfs_premounted; char debugfs_mountpoint[PATH_MAX + 1] = "/sys/kernel/debug"; char tracing_events_path[PATH_MAX + 1] = "/sys/kernel/debug/tracing/events"; @@ -15,7 +14,7 @@ static const char *debugfs_known_mountpoints[] = { 0, }; -static int debugfs_found; +static bool debugfs_found; /* find the path to the mounted debugfs */ const char *debugfs_find_mountpoint(void) @@ -30,7 +29,7 @@ const char *debugfs_find_mountpoint(void) ptr = debugfs_known_mountpoints; while (*ptr) { if (debugfs_valid_mountpoint(*ptr) == 0) { - debugfs_found = 1; + debugfs_found = true; strcpy(debugfs_mountpoint, *ptr); return debugfs_mountpoint; } @@ -52,7 +51,7 @@ const char *debugfs_find_mountpoint(void) if (strcmp(type, "debugfs") != 0) return NULL; - debugfs_found = 1; + debugfs_found = true; return debugfs_mountpoint; } @@ -82,10 +81,8 @@ static void debugfs_set_tracing_events_path(const char *mountpoint) char *debugfs_mount(const char *mountpoint) { /* see if it's already mounted */ - if (debugfs_find_mountpoint()) { - debugfs_premounted = 1; + if (debugfs_find_mountpoint()) goto out; - } /* if not mounted and no argument */ if (mountpoint == NULL) { @@ -100,7 +97,7 @@ char *debugfs_mount(const char *mountpoint) return NULL; /* save the mountpoint */ - debugfs_found = 1; + debugfs_found = true; strncpy(debugfs_mountpoint, mountpoint, sizeof(debugfs_mountpoint)); out: debugfs_set_tracing_events_path(debugfs_mountpoint); -- 1.8.1.3.535.ga923c31