On Sat, Jan 24, 2015 at 01:13:32PM -0500, Steven Rostedt wrote:
SNIP
> +static const char * const tracefs_known_mountpoints[] = {
> + TRACEFS_DEFAULT_PATH,
> + "/sys/kernel/debug/tracing",
> + "/tracing",
> + "/trace",
> + 0,
> +};
> +
> +static bool tracefs_found;
> +
> +/* find the path to the mounted tracefs */
> +const char *tracefs_find_mountpoint(void)
> +{
> + if (tracefs_found)
> + return (const char *)tracefs_mountpoint;
> +
> + return find_mountpoint("tracefs", (long) TRACEFS_MAGIC,
> + tracefs_mountpoint, PATH_MAX + 1,
> + tracefs_known_mountpoints);
> +}
also tracefs_found is not set 'true' in case we succeed..
jirka
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