diff options
| author | Michael Thalmeier <michael.thalmeier@hale.at> | 2017-05-18 16:14:14 +0200 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2017-06-25 22:02:19 -0400 |
| commit | 6f4f7e81b18e465efa1c6a7b3973da7bffe332d6 (patch) | |
| tree | c1d6203dab4469ed971b4a1e838f246665960375 /drivers/usb | |
| parent | 9738b3df00b190fbac813e5a5b76dabe439c84e3 (diff) | |
usb: chipidea: debug: check before accessing ci_role
[ Upstream commit 0340ff83cd4475261e7474033a381bc125b45244 ]
ci_role BUGs when the role is >= CI_ROLE_END.
Cc: stable@vger.kernel.org #v3.10+
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'drivers/usb')
| -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 5b7061a33103..bb8faf2845c7 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -290,7 +290,8 @@ 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; } |