[PATCH 5.10 374/717] speakup: fix uninitialized flush_lock

Greg Kroah-Hartman
2020-12-28T14:54:50Z

From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit d1b928ee1cfa965a3327bbaa59bfa005d97fa0fe ]

The flush_lock is uninitialized, use DEFINE_SPINLOCK
to define and initialize flush_lock.

Fixes: c6e3fd22cd53 ("Staging: add speakup to the staging directory")
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20201117012229.3395186-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/accessibility/speakup/speakup_dectlk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/accessibility/speakup/speakup_dectlk.c b/drivers/accessibility/speakup/speakup_dectlk.c
index 780214b5ca16e..ab6d61e80b1cb 100644
--- a/drivers/accessibility/speakup/speakup_dectlk.c
+++ b/drivers/accessibility/speakup/speakup_dectlk.c
@@ -37,7 +37,7 @@ static unsigned char get_index(struct spk_synth *synth);
static int in_escape;
static int is_flushing;

-static spinlock_t flush_lock;
+static DEFINE_SPINLOCK(flush_lock);
static DECLARE_WAIT_QUEUE_HEAD(flush);

static struct var_t vars[] = {
--
2.27.0