From: Guido Kiener <guido.kiener@xxxxxxxxxxxxxxxxx>
Fix uninitialized symbol 'actual' in function
usbtmc_ioctl_abort_bulk_in_tag().
When symbol 'actual' is not initialized and usb_bulk_msg() fails,
the subsequent kernel debug message shows invalid data.
Signed-off-by: Guido Kiener <guido.kiener@xxxxxxxxxxxxxxxxx>
Fixes: cbe743f1333b ("usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_IN")
---
drivers/usb/class/usbtmc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 7184fa035434..4942122b2346 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -321,6 +321,7 @@ static int usbtmc_ioctl_abort_bulk_in_tag(struct usbtmc_device_data *data,
dev_dbg(dev, "Reading from bulk in EP\n");
/* Data must be present. So use low timeout 300 ms */
+ actual = 0;
rv = usb_bulk_msg(data->usb_dev,
usb_rcvbulkpipe(data->usb_dev,
data->bulk_in),
--
2.17.1
