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clk: imx: Align imx sc clock msg structs to 4
author
Leonard Crestez
<leonard.crestez@nxp.com>
Thu, 20 Feb 2020 16:29:32 +0000
(18:29 +0200)
committer
Stephen Boyd
<sboyd@kernel.org>
Thu, 26 Mar 2020 01:45:59 +0000
(18:45 -0700)
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:
fe37b4820417
("clk: imx: add scu clock common part")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Link:
https://lkml.kernel.org/r/10e97a04980d933b2cfecb6b124bf9046b6e4f16.1582216144.git.leonard.crestez@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
drivers/clk/imx/clk-scu.c
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diff --git
a/drivers/clk/imx/clk-scu.c
b/drivers/clk/imx/clk-scu.c
index
fbef740
..
3c5c42d
100644
(file)
--- a/
drivers/clk/imx/clk-scu.c
+++ b/
drivers/clk/imx/clk-scu.c
@@
-43,12
+43,12
@@
struct imx_sc_msg_req_set_clock_rate {
__le32 rate;
__le16 resource;
u8 clk;
-} __packed;
+} __packed
__aligned(4)
;
struct req_get_clock_rate {
__le16 resource;
u8 clk;
-} __packed;
+} __packed
__aligned(4)
;
struct resp_get_clock_rate {
__le32 rate;
@@
-121,7
+121,7
@@
struct imx_sc_msg_req_clock_enable {
u8 clk;
u8 enable;
u8 autog;
-} __packed;
+} __packed
__aligned(4)
;
static inline struct clk_scu *to_clk_scu(struct clk_hw *hw)
{