From: Guido Kiener Date: Mon, 24 Sep 2018 23:30:32 +0000 (+0200) Subject: usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_abort_bulk_in_tag X-Git-Tag: v4.20-rc1~109^2~28 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2e32188a66142b5b4c2dbdd6ac8dc6f54361f044;p=thirdparty%2Fkernel%2Flinux.git usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_abort_bulk_in_tag 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 Fixes: cbe743f1333b ("usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_IN") Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 7184fa035434f..4942122b2346d 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -321,6 +321,7 @@ usbtmc_abort_bulk_in_status: 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),