diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-12-16 14:06:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-01-31 11:23:35 -0800 |
| commit | 887c3cc2557b3548eabcce9e03dce470303f29e9 (patch) | |
| tree | 3ba2d415a4bdeff8eb317e8e5c69c4fcca143e2b /drivers/usb | |
| parent | a7e83b16c8d83a75c58989e845c664ecaa6e0aa6 (diff) | |
USB: ipaq.c: fix a timeout loop
commit abdc9a3b4bac97add99e1d77dc6d28623afe682b upstream.
The code expects the loop to end with "retries" set to zero but, because
it is a post-op, it will end set to -1. I have fixed this by moving the
decrement inside the loop.
Fixes: 014aa2a3c32e ('USB: ipaq: minor ipaq_open() cleanup.')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/ipaq.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index f51a5d52c0ed..ec1b8f2c1183 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -531,7 +531,8 @@ static int ipaq_open(struct tty_struct *tty, * through. Since this has a reasonably high failure rate, we retry * several times. */ - while (retries--) { + while (retries) { + retries--; result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21, 0x1, 0, NULL, 0, 100); |