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[v2,4/4] pwm: Don't initialize list head before calling list_add()

Message ID 20221117211143.3817381-5-u.kleine-koenig@pengutronix.de
State Accepted
Headers show
Series pwm: Some refactoring of pwmchip_add() | expand

Commit Message

Uwe Kleine-König Nov. 17, 2022, 9:11 p.m. UTC
list_add() just overwrites the members of the element to add (here:
chip->list) without any checks, even in the DEBUG_LIST case. So save the
effort to initialize the list.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
 drivers/pwm/core.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox series


diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index b43b24bd3c9f..61bacd8d9b44 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -299,7 +299,6 @@  int pwmchip_add(struct pwm_chip *chip)
 		radix_tree_insert(&pwm_tree, pwm->pwm, pwm);
-	INIT_LIST_HEAD(&chip->list);
 	list_add(&chip->list, &pwm_chips);