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| author | Leonard Crestez <leonard.crestez@nxp.com> | 2020-02-20 18:29:38 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-03-29 22:08:35 +0200 |
| commit | a29de86521d8a80cb0b426638d4e38707cafa2e2 (patch) | |
| tree | 9273b7975be0473703d4c9fccae4a6f0834fc69c /drivers/rtc/rtc-imx-sc.c | |
| parent | 9c328c9dd84a10d4c96a5bfaa0bee43c94b11def (diff) | |
| download | lwn-a29de86521d8a80cb0b426638d4e38707cafa2e2.tar.gz lwn-a29de86521d8a80cb0b426638d4e38707cafa2e2.zip | |
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: a3094fc1a15e ("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>
Diffstat (limited to 'drivers/rtc/rtc-imx-sc.c')
| -rw-r--r-- | drivers/rtc/rtc-imx-sc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-imx-sc.c b/drivers/rtc/rtc-imx-sc.c index cf2c12107f2b..a5f59e6f862e 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) { |