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USB: serial: ssu100: fix control-message error handling
authorJohan Hovold <johan@kernel.org>
Thu, 12 Jan 2017 13:56:22 +0000 (14:56 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 14 May 2017 11:32:56 +0000 (13:32 +0200)
commitaece86ff48717a18ff38d5e8a2447f94c726a76b
tree18e2492efe044e3a719f7300f74d4b35e88d3d0ftree | snapshot
parenta655b21b4788b6fc18d783b04a7f8f6cf8f1cff0commit | diff
USB: serial: ssu100: fix control-message error handling

commit 1eac5c244f705182d1552a53e2f74e2775ed95d6 upstream.

Make sure to detect short control-message transfers rather than continue
with zero-initialised data when retrieving modem status and during
device initialisation.

Fixes: 52af95459939 ("USB: add USB serial ssu100 driver")
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/ssu100.c diff | blob | history
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