diff options
| author | Michael Thalmeier <michael.thalmeier@hale.at> | 2017-05-18 16:14:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-14 15:05:59 +0200 |
| commit | 5404b0c0ea852c8982a3f7ff2c4a86a80e25e840 (patch) | |
| tree | 4c4cd6d01a625c32b856664f2478b9035fab0a41 | |
| parent | 59db536f5812707e8e035b2c68590b449c7a0cec (diff) | |
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>
| -rw-r--r-- | drivers/usb/chipidea/debug.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index 6d23eede4d8c..1c31e8a08810 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -294,7 +294,8 @@ static int ci_role_show(struct seq_file *s, void *data) { 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; } |