staging: speakup: signedness bug in spk_ttyio_in_nowait()

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On most of the common arches char is signed so it can't ever == 0xff.
Let's fix this by making it a u8.

Fixes: 6b9ad1c742 ("staging: speakup: add send_xchar, tiocmset and input functionality for tty")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Dan Carpenter 2017-05-20 00:27:18 +03:00 • committed by Greg Kroah-Hartman

parent d70dd24521

commit e45423d76f

1 changed files with 1 additions and 1 deletions

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drivers/staging/speakup/spk_ttyio.c

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