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Subject[PATCH -next] tty: n_gsm: Use DEFINE_SPINLOCK() for spinlock
Date
spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
drivers/tty/n_gsm.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 25f3152089c2..e22d766621a4 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -266,7 +266,7 @@ struct gsm_mux {

#define MAX_MUX 4 /* 256 minors */
static struct gsm_mux *gsm_mux[MAX_MUX]; /* GSM muxes */
-static spinlock_t gsm_mux_lock;
+static DEFINE_SPINLOCK(gsm_mux_lock);

static struct tty_driver *gsm_tty_driver;

@@ -3258,8 +3258,6 @@ static int __init gsm_init(void)
gsm_tty_driver->init_termios.c_lflag &= ~ECHO;
tty_set_operations(gsm_tty_driver, &gsmtty_ops);

- spin_lock_init(&gsm_mux_lock);
-
if (tty_register_driver(gsm_tty_driver)) {
put_tty_driver(gsm_tty_driver);
tty_unregister_ldisc(N_GSM0710);
--
2.22.0
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