Commit a29de865 authored Feb 20, 2020 by Leonard Crestez Committed by Alexandre Belloni Mar 29, 2020

rtc: imx-sc: Align imx sc msg structs to 4

The imx SC api strongly assumes that messages are composed out of
4-bytes words but some of our message structs have odd sizeofs.

This produces many oopses with CONFIG_KASAN=y.

Fix by marking with __aligned(4).

Fixes: a3094fc1 ("rtc: imx-sc: add rtc alarm support")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Link: https://lore.kernel.org/r/13404bac8360852d86c61fad5ae5f0c91ffc4cb6.1582216144.git.leonard.crestez@nxp.com

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

parent 9c328c9d

drivers/rtc/rtc-imx-sc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -37,7 +37,7 @@ struct imx_sc_msg_timer_rtc_set_alarm {
		u8 hour;
		u8 min;
		u8 sec;
		} __packed;
		} __packed __aligned(4);

		static int imx_sc_rtc_read_time(struct device dev, struct rtc_time tm)
		{