From bdcedfee8b87067dbc907e9e94310c5be4311133 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 21 Aug 2026 12:09:03 +0200 Subject: [PATCH] rtc: m41t80: Make sure clk_init_data is fully initialized The clk_init_data structure contains several mutually-exclusive members for different methods to specify the possible parents of a clock, prompting drivers to initialize only the members they need. However, not initializing all members may cause subtle issues, which are only exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is enabled. Make sure all members are fully initialized, to avoid such bugs, and to prevent future breakage when converting drivers to a different method for specifying the parents. Signed-off-by: Geert Uytterhoeven Link: https://patch.msgid.link/c5290fb9a28b45d6bcec724d5897f8bcbf96ea50.1787241693.git.geert+renesas@glider.be Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-m41t80.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index 3c8c379392c1..ec86ca3f2c4c 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -574,8 +574,8 @@ static struct clk *m41t80_sqw_register_clk(struct m41t80_data *m41t80) struct i2c_client *client = m41t80->client; struct device_node *node = client->dev.of_node; struct device_node *fixed_clock; + struct clk_init_data init = {}; struct clk *clk; - struct clk_init_data init; int ret; fixed_clock = of_get_child_by_name(node, "clock");