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| author | Michael Thalmeier <michael.thalmeier@hale.at> | 2017-05-18 16:14:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-14 13:16:22 +0200 |
| commit | bd2e8f0a72c5608625f9501c07d446f9a48daf7e (patch) | |
| tree | f7b519a957a56143f6cae355d067191ba5925490 | |
| parent | 942dcb0ffa9d459af821167bd7cce94415e8278a (diff) | |
| download | linux-stable-bd2e8f0a72c5608625f9501c07d446f9a48daf7e.tar.gz linux-stable-bd2e8f0a72c5608625f9501c07d446f9a48daf7e.tar.bz2 linux-stable-bd2e8f0a72c5608625f9501c07d446f9a48daf7e.zip | |
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 58c8485a0715..923379972707 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -295,7 +295,8 @@ 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; } |