]> www.infradead.org Git - users/dwmw2/linux.git/commitdiff
speakup: fix uninitialized flush_lock
authorYang Yingliang <yangyingliang@huawei.com>
Tue, 17 Nov 2020 01:22:29 +0000 (09:22 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 30 Dec 2020 10:26:02 +0000 (11:26 +0100)
[ 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/staging/speakup/speakup_dectlk.c

index a144f28ee1a8a477369f43d99080701f0b74562a..04de81559c6e35797ea0b3639dacacef17608460 100644 (file)
@@ -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[] = {