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

Signed-off-by: Sasha Levin <sasha.le...@oracle.com>
---
 drivers/staging/speakup/synth.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c
index 0b3549b..172cf62 100644
--- a/drivers/staging/speakup/synth.c
+++ b/drivers/staging/speakup/synth.c
@@ -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) {
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to