tracing/synthetic: Make lastcmd_mutex static

The lastcmd_mutex is only used in trace_events_synth.c and should be
static.

Link: https://lore.kernel.org/linux-trace-kernel/202304062033.cRStgOuP-lkp@intel.com/
Link: https://lore.kernel.org/linux-trace-kernel/20230406111033.6e26de93@gandalf.local.home

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Tze-nan Wu <Tze-nan.Wu@mediatek.com>
Fixes: 4ccf11c4e8 ("tracing/synthetic: Fix races on freeing last_cmd")
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Google) 2023-04-06 11:10:33 -04:00
parent 2a2d8c51de
commit 31c6839671

View File

@ -44,7 +44,7 @@ enum { ERRORS };
static const char *err_text[] = { ERRORS };
DEFINE_MUTEX(lastcmd_mutex);
static DEFINE_MUTEX(lastcmd_mutex);
static char *last_cmd;
static int errpos(const char *str)