From: Guido Kiener Date: Mon, 24 Sep 2018 23:30:30 +0000 (+0200) Subject: usb: usbtmc: uninitialized symbol 'actual' in usbtmc_read X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b690020a498e33c098dd2b5554a7a59fc08b5ca4;p=linux.git usb: usbtmc: uninitialized symbol 'actual' in usbtmc_read 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 Fixes: d7604ff0dc01 ("usb: usbtmc: Optimize usbtmc_read") Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index dfbcf418dad75..9cb90603f71f8 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,