| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.5 127/151] pinctrl: imx: scu: Align imx sc msg structs to 4 | Date | Tue, 17 Mar 2020 11:55:37 +0100 |
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From: Leonard Crestez <leonard.crestez@nxp.com>
commit 4c48e549f39f8ed10cf8a0b6cb96f5eddf0391ce 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: b96eea718bf6 ("pinctrl: fsl: add scu based pinctrl support") Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> Link: https://lore.kernel.org/r/bd7ad5fd755739a6d8d5f4f65e03b3ca4f457bd2.1582216144.git.leonard.crestez@nxp.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/pinctrl/freescale/pinctrl-scu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/pinctrl/freescale/pinctrl-scu.c +++ b/drivers/pinctrl/freescale/pinctrl-scu.c @@ -23,12 +23,12 @@ struct imx_sc_msg_req_pad_set { struct imx_sc_rpc_msg hdr; u32 val; u16 pad; -} __packed; +} __packed __aligned(4); struct imx_sc_msg_req_pad_get { struct imx_sc_rpc_msg hdr; u16 pad; -} __packed; +} __packed __aligned(4); struct imx_sc_msg_resp_pad_get { struct imx_sc_rpc_msg hdr;
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