tracing: Get trace_array ref counts when accessing trace files
authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>
Tue, 2 Jul 2013 03:34:22 +0000 (23:34 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 25 Jul 2013 21:07:43 +0000 (14:07 -0700)
commit6492334c86dfb441af456337dc3217c2a430f141
treed653bfe42570741bafe76da2b438e0e737c2709f
parent59d8f48855856c5e2e112bab78f1b1e6a14c216b
tracing: Get trace_array ref counts when accessing trace files

commit 7b85af63034818e43aee6c1d7bf1c7c6796a9073 upstream.

When a trace file is opened that may access a trace array, it must
increment its ref count to prevent it from being deleted.

Reported-by: Alexander Lam <azl@google.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kernel/trace/trace.c