iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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: a3094fc1a1 ("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>
This commit is contained in:
Leonard Crestez 2020-02-20 18:29:38 +02:00 committed by Alexandre Belloni
parent 9c328c9dd8
commit a29de86521
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/rtc/rtc-imx-sc.c
View File

@ -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)
{