From 399d44a1b13d6e83a01fa249fc12e1b69ae8e735 Mon Sep 17 00:00:00 2001 From: Guobin Huang Date: Tue, 6 Apr 2021 19:56:03 +0800 Subject: tty: n_gsm: use DEFINE_SPINLOCK() for spinlock spinlock can be initialized automatically with DEFINE_SPINLOCK() rather than explicitly calling spin_lock_init(). Reported-by: Hulk Robot Reviewed-by: Jiri Slaby Signed-off-by: Guobin Huang Link: https://lore.kernel.org/r/1617710163-48158-1-git-send-email-huangguobin4@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/n_gsm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 9e12f9cb1a98..d60cffc70a0c 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; @@ -3257,8 +3257,6 @@ 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); -- cgit v1.2.3