tracing: Verify if trace array exists before destroying it.
authorDivya Indi <divya.indi@oracle.com>
Wed, 14 Aug 2019 17:55:24 +0000 (10:55 -0700)
committerSteven Rostedt (VMware) <rostedt@goodmis.org>
Wed, 13 Nov 2019 14:37:29 +0000 (09:37 -0500)
commite585e6469d6f476b82aa148dc44aaf7ae269a4e2
treea165cec89202db3d956b465a055fadfa92c792b7
parent2d6425af61166e026e7476db64f70f1266127b1d
tracing: Verify if trace array exists before destroying it.

A trace array can be destroyed from userspace or kernel. Verify if the
trace array exists before proceeding to destroy/remove it.

Link: http://lkml.kernel.org/r/1565805327-579-3-git-send-email-divya.indi@oracle.com
Reviewed-by: Aruna Ramakrishna <aruna.ramakrishna@oracle.com>
Signed-off-by: Divya Indi <divya.indi@oracle.com>
[ Removed unneeded braces ]
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
kernel/module.c
kernel/trace/trace.c