lkml.org 
[lkml]   [2017]   [May]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] usb: chipidea: debug: check before accessing ci_role
Date
ci_role BUGs when the role is >= CI_ROLE_END.

Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
---
drivers/usb/chipidea/debug.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
index 6d23eed..1c31e8a 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;
}
--
2.9.2
\
 
 \ /
  Last update: 2017-05-18 16:24    [W:0.045 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site