USB: serial: kl5kusb105: fix line-state error handling
Johan Hovold authored
commit 146cc8a1 upstream.

The current implementation failed to detect short transfers when
attempting to read the line state, and also, to make things worse,
logged the content of the uninitialised heap transfer buffer.

Fixes: abf492e7 ("USB: kl5kusb105: fix DMA buffers on stack")
Fixes: 1da177e4

 ("Linux-2.6.12-rc2")
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
58ede4be