diff options
author | Guido Kiener <guido.kiener@rohde-schwarz.com> | 2018-09-24 19:30:32 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-28 09:12:08 -0400 |
commit | 2e32188a66142b5b4c2dbdd6ac8dc6f54361f044 (patch) | |
tree | 9d44755773b3256b9b620403edec04d09a232216 | |
parent | 9a83190300867fb024d53f47c31088e34188efc1 (diff) |
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>
-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: | |||
321 | dev_dbg(dev, "Reading from bulk in EP\n"); | 321 | dev_dbg(dev, "Reading from bulk in EP\n"); |
322 | 322 | ||
323 | /* Data must be present. So use low timeout 300 ms */ | 323 | /* Data must be present. So use low timeout 300 ms */ |
324 | actual = 0; | ||
324 | rv = usb_bulk_msg(data->usb_dev, | 325 | rv = usb_bulk_msg(data->usb_dev, |
325 | usb_rcvbulkpipe(data->usb_dev, | 326 | usb_rcvbulkpipe(data->usb_dev, |
326 | data->bulk_in), | 327 | data->bulk_in), |