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USB: usbtest.c: length, sglen and vary are unsigned, so cannot be negative

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length, sglen and vary are unsigned, so cannot be negative

see
vi drivers/usb/misc/usbtest.c +18
struct usbtest_param {
...
        unsigned                iterations;
        unsigned                length;
        unsigned                vary;
        unsigned                sglen;
...
};

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
roel kluin 2008-10-21 00:36:44 -04:00 committed by Greg Kroah-Hartman
parent 1460e5e44c
commit 8aafdf6a15
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/misc/usbtest.c
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@ -1561,8 +1561,7 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf)
if (code != USBTEST_REQUEST)
return -EOPNOTSUPP;
if (param->iterations <= 0 || param->length < 0
|| param->sglen < 0 || param->vary < 0)
if (param->iterations <= 0)
return -EINVAL;
if (mutex_lock_interruptible(&dev->lock))