tracing: Use swap macro in update_max_tr
authorGustavo A. R. Silva <gustavo@embeddedor.com>
Fri, 9 Feb 2018 17:53:16 +0000 (11:53 -0600)
committerSteven Rostedt (VMware) <rostedt@goodmis.org>
Thu, 21 Jun 2018 19:12:43 +0000 (15:12 -0400)
commit08ae88f8104f486fd4103854119169f3e55dbc4c
tree8b85d4520b0e6ec6249a104365dc3a885dfa09b8
parent1a63dcd8765bc8680481dc2f9acf6ef13cee6d27
tracing: Use swap macro in update_max_tr

Make use of the swap macro and remove unnecessary variable _buf_.
This makes the code easier to read and maintain. Also, reduces the
stack usage.

This code was detected with the help of Coccinelle.

Link: http://lkml.kernel.org/r/20180209175316.GA18720@embeddedgus
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
kernel/trace/trace.c