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speakup: fix uninitialized flush_lock 

[ Upstream commit d1b928ee1c ]

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

Fixes: c6e3fd22cd ("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>
5.4-rM2-2.2.x-imx-squashed
Yang Yingliang 2020-11-17 09:22:29 +08:00 committed by Greg Kroah-Hartman
parent 989d527236
commit b4ac244716
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/speakup/speakup_dectlk.c
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@ -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[] = {