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

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to