diff mbox series

[5.5,156/189] firmware: imx: scu-pd: Align imx sc msg structs to 4

Message ID 20200310123655.737757975@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH March 10, 2020, 12:39 p.m. UTC 
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(-)
diff mbox series

Patch

--- 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 {