diff options
| author | Michael Thalmeier <michael.thalmeier@hale.at> | 2017-05-18 16:14:14 +0200 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-11-06 15:19:10 +0100 |
| commit | d9b41a5b81a78e61ba650a67e138d8b88b43ad79 (patch) | |
| tree | 59ff42e9e502c8a5b21033cec8317b9d769d7108 /drivers | |
| parent | e79c756545c8ce78d3efb585bc92c029cd5a969b (diff) | |
usb: chipidea: debug: check before accessing ci_role
commit 0340ff83cd4475261e7474033a381bc125b45244 upstream.
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: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'drivers')
| -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 36a7063a6..5a38ca87f 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -203,7 +203,8 @@ static int ci_role_show(struct seq_file *s, void *data) { struct ci13xxx *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; } |