Commit 8b9c012a authored May 27, 2014 by Sasha Levin Committed by Greg Kroah-Hartman May 27, 2014

Staging: speakup: don't die if accessing sysfs without synth



Setting a 'silent' parameter without a synth would crash the kernel.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 6371f210

drivers/staging/speakup/synth.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -212,6 +212,9 @@ void synth_start(void)

		void spk_do_flush(void)
		{
		if (!synth)
		return;

		speakup_info.flushing = 1;
		synth_buffer_clear();
		if (synth->alive) {

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