From: Borislav Petkov <b...@suse.de> 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 <b...@suse.de> Cc: Ingo Molnar <mi...@kernel.org> Cc: Steven Rostedt <rost...@goodmis.org> Link: http://lkml.kernel.org/r/1361374353-30385-2-git-send-email...@alien8.de Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- 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 dd8b193..e55495c 100644 --- a/tools/perf/util/debugfs.c +++ b/tools/perf/util/debugfs.c @@ -5,7 +5,6 @@ #include <linux/kernel.h> #include <sys/mount.h> -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); -- 1.8.1.1.361.gec3ae6e -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
