From: Guido Kiener Date: Mon, 24 Sep 2018 23:30:31 +0000 (+0200) Subject: usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_clear X-Git-Tag: v4.20-rc1~109^2~29 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a83190300867fb024d53f47c31088e34188efc1;p=thirdparty%2Fkernel%2Fstable.git usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_clear 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 Fixes: dfee02ac4bce ("usb: usbtmc: Fix ioctl USBTMC_IOCTL_CLEAR") Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 9cb90603f71f8..7184fa035434f 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1679,6 +1679,7 @@ usbtmc_clear_check_status: 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),