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usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_abort_bulk_in_tag

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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 <guido.kiener@rohde-schwarz.com>
Fixes: cbe743f133 ("usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_IN")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Guido Kiener 2018-09-25 01:30:32 +02:00 • committed by Greg Kroah-Hartman
parent 9a83190300
commit 2e32188a66
1 changed files with 1 additions and 0 deletions
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drivers/usb/class/usbtmc.c
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@ -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),