3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Michael Thalmeier <michael.thalmeier@xxxxxxx> commit 0340ff83cd4475261e7474033a381bc125b45244 upstream. ci_role BUGs when the role is >= CI_ROLE_END. Signed-off-by: Michael Thalmeier <michael.thalmeier@xxxxxxx> Signed-off-by: Peter Chen <peter.chen@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/chipidea/debug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -290,7 +290,8 @@ static int ci_role_show(struct seq_file { struct ci_hdrc *ci = s->private; - seq_printf(s, "%s\n", ci_role(ci)->name); + if (ci->role != CI_ROLE_END) + seq_printf(s, "%s\n", ci_role(ci)->name); return 0; }