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| author |   Sasha Levin <sasha.levin@oracle.com> | 2014-05-27 19:08:36 -0400 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-27 17:35:50 -0700 |
| commit | 8b9c012a425b23c1df52cc1ddfec8259035c6754 (patch) | |
| tree | 932e1f6996c3482afdf033fec451a87dddc25694 /drivers/staging/speakup/synth.c | |
| parent | Staging: rtl8192u: r8180_93cx6.c Added missing spaces (diff) | |
| download | linux-dev-8b9c012a425b23c1df52cc1ddfec8259035c6754.tar.xz linux-dev-8b9c012a425b23c1df52cc1ddfec8259035c6754.zip | |
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>
Diffstat (limited to 'drivers/staging/speakup/synth.c')
| -rw-r--r-- | drivers/staging/speakup/synth.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c index 0b3549bd909d..172cf62b1aaf 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) { |