[PATCH 5.4 142/168] firmware: imx: scu-pd: Align imx sc msg structs to 4

Greg Kroah-Hartman
2020-03-10T12:54:20Z

From: Leonard Crestez <leonard.crestez@nxp.com>

commit 7c1a1c814ccc858633c761951c2546041202b24e upstream.

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: c800cd7824bd ("firmware: imx: add SCU power domain driver")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/firmware/imx/scu-pd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/firmware/imx/scu-pd.c
+++ b/drivers/firmware/imx/scu-pd.c
@@ -61,7 +61,7 @@ struct imx_sc_msg_req_set_resource_power
struct imx_sc_rpc_msg hdr;
u16 resource;
u8 mode;
-} __packed;
+} __packed __aligned(4);

#define IMX_SCU_PD_NAME_SIZE 20
struct imx_sc_pm_domain {