diff options
| author | Peter Chen <peter.chen@nxp.com> | 2016-07-26 11:01:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-09 16:45:59 +0300 |
| commit | 28324936f3d672bbf83472fece8f36a158a52276 (patch) | |
| tree | fb4650bc15f517082026a76b4968f1042dbbdb04 | |
| parent | 07d316a22e119fa301fd7dba7f1e1adfd4f72c05 (diff) | |
| download | linux-28324936f3d672bbf83472fece8f36a158a52276.tar.xz | |
usb: misc: usbtest: usbtest_do_ioctl may return positive integer
For case 14 and case 21, their correct return value is the number
of bytes transferred, so it is a positive integer. But in usbtest_ioctl,
it takes non-zero as false return value for usbtest_do_ioctl, so
it will treat the correct test as wrong test, then the time on
tests will be the minus value.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Cc: stable <stable@vger.kernel.org>
Fixes: 18fc4ebdc705 ("usb: misc: usbtest: Remove timeval usage")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 6b978f04b8d7..5e3464e8d4e5 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -2602,7 +2602,7 @@ usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf) ktime_get_ts64(&start); retval = usbtest_do_ioctl(intf, param_32); - if (retval) + if (retval < 0) goto free_mutex; ktime_get_ts64(&end); |