From: Guido Kiener <guido.kiener@xxxxxxxxxxxxxxxxx>
Fix uninitialized symbol 'actual' in function usbtmc_ioctl_clear.
When symbol 'actual' is not initialized and usb_bulk_msg() fails,
the subsequent kernel debug message shows a random value.
Signed-off-by: Guido Kiener <guido.kiener@xxxxxxxxxxxxxxxxx>
Fixes: dfee02ac4bce ("usb: usbtmc: Fix ioctl USBTMC_IOCTL_CLEAR")
---
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 9cb90603f71f..7184fa035434 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -1679,6 +1679,7 @@ static int usbtmc_ioctl_clear(struct usbtmc_device_data *data)
do {
dev_dbg(dev, "Reading from bulk in EP\n");
+ actual = 0;
rv = usb_bulk_msg(data->usb_dev,
usb_rcvbulkpipe(data->usb_dev,
data->bulk_in),
--
2.17.1
