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authorChristoph Lameter <clameter@sgi.com>2008-02-27 11:07:10 -0800
committerChristoph Lameter <clameter@sgi.com>2008-02-27 11:07:10 -0800
commit9ef64cb4320df821638b508f79aa8b858cca99f0 (patch)
tree4efbf0854234f89c6f4413077ec795fc669b5b0a /drivers/usb/misc/trancevibrator.c
parent6f157c1d268d5888ca44c589dccd01729c4172f6 (diff)
parent7704a8b6fc4a8f51599eb2af4dcf1e2ac9c7e576 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/usb/misc/trancevibrator.c')
-rw-r--r--drivers/usb/misc/trancevibrator.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index 67e2fc20eee..03368edf3f2 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -59,13 +59,14 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
{
struct usb_interface *intf = to_usb_interface(dev);
struct trancevibrator *tv = usb_get_intfdata(intf);
- int temp, retval;
+ int temp, retval, old;
temp = simple_strtoul(buf, NULL, 10);
if (temp > 255)
temp = 255;
else if (temp < 0)
temp = 0;
+ old = tv->speed;
tv->speed = temp;
dev_dbg(&tv->udev->dev, "speed = %d\n", tv->speed);
@@ -77,6 +78,7 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
tv->speed, /* speed value */
0, NULL, 0, USB_CTRL_GET_TIMEOUT);
if (retval) {
+ tv->speed = old;
dev_dbg(&tv->udev->dev, "retval = %d\n", retval);
return retval;
}