Commit 5404b0c0 authored May 18, 2017 by Michael Thalmeier Committed by Greg Kroah-Hartman Jun 14, 2017

usb: chipidea: debug: check before accessing ci_role



commit 0340ff83cd4475261e7474033a381bc125b45244 upstream.

ci_role BUGs when the role is >= CI_ROLE_END.

Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 59db536f

drivers/usb/chipidea/debug.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -294,6 +294,7 @@ static int ci_role_show(struct seq_file s, void data)
		{
		struct ci_hdrc *ci = s->private;

		if (ci->role != CI_ROLE_END)
		seq_printf(s, "%s\n", ci_role(ci)->name);

		return 0;