[V2] clk: imx: clk-imx7ulp: Add missing sentinel of ulp_div_table

Commit Message

Peng Fan Nov. 22, 2019, 10:04 a.m. UTC

From: Peng Fan <[e-mail]>

There should be a sentinel of ulp_div_table, otherwise _get_table_div
may access data out of the array.

Fixes: b1260067ac3d ("clk: imx: add imx7ulp clk driver")
Cc: [e-mail]
Signed-off-by: Peng Fan <[e-mail]>
---

V2:
 cc stable mail list

 drivers/clk/imx/clk-imx7ulp.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Dong Aisheng Nov. 22, 2019, noon UTC | #1

> From: Peng Fan <[e-mail]>
> Sent: Friday, November 22, 2019 6:05 PM
> Subject: [PATCH V2] clk: imx: clk-imx7ulp: Add missing sentinel of ulp_div_table
> 
> There should be a sentinel of ulp_div_table, otherwise _get_table_div may
> access data out of the array.
> 
> Fixes: b1260067ac3d ("clk: imx: add imx7ulp clk driver")
> Cc: [e-mail]
> Signed-off-by: Peng Fan <[e-mail]>

Reviewed-by: Dong Aisheng <[e-mail]>

Regards
Aishen

Patch

diff --git a/drivers/clk/imx/clk-imx7ulp.c b/drivers/clk/imx/clk-imx7ulp.c
index 3fdf3d494f0a..281191b55b3a 100644
--- a/drivers/clk/imx/clk-imx7ulp.c
+++ b/drivers/clk/imx/clk-imx7ulp.c
@@ -40,6 +40,7 @@  static const struct clk_div_table ulp_div_table[] = {
 	{ .val = 5, .div = 16, },
 	{ .val = 6, .div = 32, },
 	{ .val = 7, .div = 64, },
+	{ /* sentinel */ },
 };
 
 static const int pcc2_uart_clk_ids[] __initconst = {