tracing: remove a pointless assignment

The "tr" is a stack variable so setting it to NULL before a return is
a no-op.  Delete the assignment.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Dan Carpenter 2020-09-05 15:50:20 +03:00 • committed by Steven Rostedt (VMware)
commit eb8d8b4c98