speakup: Avoid crash on very long word
commit c8d2f34e upstream. In case a console is set up really large and contains a really long word (> 256 characters), we have to stop before the length of the word buffer. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Fixes: c6e3fd22 ("Staging: add speakup to the staging directory") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240323164843.1426997-1-samuel.thibault@ens-lyon.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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