linux-stable.git/drivers/usb/class, branch v4.12

USB: Revert "cdc-wdm: fix "out-of-sync" due to missing notifications"

2017-04-25T18:04:28+00:00

This reverts commit 833415a3e781 ("cdc-wdm: fix "out-of-sync" due to
missing notifications")

There have been several reports of wdm_read returning unexpected EIO
errors with QMI devices using the qmi_wwan driver. The reporters
confirm that reverting prevents these errors. I have been unable to
reproduce the bug myself, and have no explanation to offer either. But
reverting is the safe choice here, given that the commit was an
attempt to work around a firmware problem.  Living with a firmware
problem is still better than adding driver bugs.

Reported-by: Kasper Holtze 
Reported-by: Aleksander Morgado 
Reported-by: Daniele Palmas 
Cc:  # v4.9+
Fixes: 833415a3e781 ("cdc-wdm: fix "out-of-sync" due to missing notifications")
Signed-off-by: Bjørn Mork 
Acked-by: Oliver Neukum 
Signed-off-by: Greg Kroah-Hartman

usb: fix some references for /proc/bus/usb

2017-04-18T14:54:19+00:00

Since when we got rid of usbfs, the /proc/bus/usb is now
elsewhere. Fix references for it.

Signed-off-by: Mauro Carvalho Chehab 
Acked-by: Serge Hallyn 
Signed-off-by: Greg Kroah-Hartman

cdc-acm: remove unused element of struct acm

2017-04-01T09:05:03+00:00

write_used was introduced with commit 884b600f63dc ("[PATCH] USB: fix acm
trouble with terminals") but never used since.

Signed-off-by: Tobias Herzog 
Acked-by: Oliver Neukum 
Signed-off-by: Greg Kroah-Hartman

cdc-acm: log message for serial state notification

2017-04-01T09:05:03+00:00

Adds a similar log message to USB_CDC_NOTIFY_SERIAL_STATE as it is
already done with USB_CDC_NOTIFY_NETWORK_CONNECTION.

Signed-off-by: Tobias Herzog 
Acked-by: Oliver Neukum 
Signed-off-by: Greg Kroah-Hartman

cdc-acm: reassemble fragmented notifications

2017-04-01T09:05:03+00:00

USB devices may have very limited endpoint packet sizes, so that
notifications can not be transferred within one single usb packet.
Reassembling of multiple packages may be necessary.

Signed-off-by: Tobias Herzog 
Acked-by: Oliver Neukum 
Signed-off-by: Greg Kroah-Hartman

cdc-acm: fix possible invalid access when processing notification

2017-04-01T09:05:03+00:00

Notifications may only be 8 bytes long. Accessing the 9th and
10th byte of unimplemented/unknown notifications may be insecure.
Also check the length of known notifications before accessing anything
behind the 8th byte.

Signed-off-by: Tobias Herzog 
Acked-by: Oliver Neukum 
Cc: stable 
Signed-off-by: Greg Kroah-Hartman

USB: usbtmc: refactor endpoint retrieval

2017-03-29T09:53:15+00:00

Use the new endpoint helpers to lookup the required bulk-in and bulk-out
endpoints, and the optional interrupt-in endpoint.

Signed-off-by: Johan Hovold 
Signed-off-by: Greg Kroah-Hartman

Merge 4.11-rc4 into usb-next

2017-03-27T07:19:32+00:00

This resolves a merge issue in the gadget code, and we want the USB
fixes in here as well.

Signed-off-by: Greg Kroah-Hartman

USB: usblp: refactor endpoint retrieval

2017-03-23T12:54:08+00:00

Use the new endpoint helpers to lookup the required bulk-out endpoint
and the depending on protocol likewise required bulk-in endpoint.

Cc: Pete Zaitcev 
Signed-off-by: Johan Hovold 
Signed-off-by: Greg Kroah-Hartman

USB: cdc-acm: refactor endpoint retrieval

2017-03-23T12:54:08+00:00

Use the new endpoint helpers to lookup the required bulk-in, bulk-out
and interrupt-in endpoints for collapsed interfaces.

Note that there is already a check verifying that there are exactly
three endpoints so we'd still be bailing out if there's an unexpected
endpoint type.

Cc: Oliver Neukum 
Signed-off-by: Johan Hovold 
Signed-off-by: Greg Kroah-Hartman