tree 9c37bee66e0044d8a2c3b0dfc68810bb7942b9b7
parent 47c1856971dd05cac730f70d073518da021b2e5c
author Tom Zanussi <tom.zanussi@linux.intel.com> 1467248160 -0500
committer Steven Rostedt <rostedt@goodmis.org> 1470165390 -0400

tracing: Fix use-after-free in hist_register_trigger()

This fixes a use-after-free case flagged by KASAN; make sure the test
happens before the potential free in this case.

Link: http://lkml.kernel.org/r/48fd74ab61bebd7dca9714386bb47d7c5ccd6a7b.1467247517.git.tom.zanussi@linux.intel.com

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>