trace-cmd hist: Close tracecmd handle when trace_hist() exits early

Call tracecmd_close() before returning if tracecmd_read_headers() fails.

Fixes a RESOURCE_LEAK error (CWE-772)

Link: https://lore.kernel.org/linux-trace-devel/20240605134054.2626953-13-jmarchan@redhat.com

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
1 file changed