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| author |   Guido Kiener <guido.kiener@rohde-schwarz.com> | 2018-09-25 01:30:32 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-28 15:12:08 +0200 |
| commit | 2e32188a66142b5b4c2dbdd6ac8dc6f54361f044 (patch) | |
| tree | 9d44755773b3256b9b620403edec04d09a232216 /drivers/usb/class/usbtmc.c | |
| parent | usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_clear (diff) | |
| download | linux-dev-2e32188a66142b5b4c2dbdd6ac8dc6f54361f044.tar.xz linux-dev-2e32188a66142b5b4c2dbdd6ac8dc6f54361f044.zip | |
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 <guido.kiener@rohde-schwarz.com>
Fixes: cbe743f1333b ("usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_IN")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class/usbtmc.c')
| -rw-r--r-- | drivers/usb/class/usbtmc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 7184fa035434..4942122b2346 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), |