From: Leonard Crestez leonard.crestez@nxp.com
[ Upstream commit a29de86521d8a80cb0b426638d4e38707cafa2e2 ]
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: a3094fc1a15e ("rtc: imx-sc: add rtc alarm support") Signed-off-by: Leonard Crestez leonard.crestez@nxp.com Link: https://lore.kernel.org/r/13404bac8360852d86c61fad5ae5f0c91ffc4cb6.158221614... Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/rtc/rtc-imx-sc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-imx-sc.c b/drivers/rtc/rtc-imx-sc.c index cf2c12107f2b8..a5f59e6f862e0 100644 --- a/drivers/rtc/rtc-imx-sc.c +++ b/drivers/rtc/rtc-imx-sc.c @@ -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) {