From: Guido Kiener <guido.kiener@xxxxxxxxxxxxxxxxx>
Fix uninitialized symbol 'actual' in function usbtmc_read.
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: d7604ff0dc01 ("usb: usbtmc: Optimize usbtmc_read")
---
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 dfbcf418dad7..9cb90603f71f 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -1370,6 +1370,7 @@ static ssize_t usbtmc_read(struct file *filp, char __user *buf,
/* Loop until we have fetched everything we requested */
remaining = count;
+ actual = 0;
/* Send bulk URB */
retval = usb_bulk_msg(data->usb_dev,
--
2.17.1
