linux-kernel - [PATCH] MIPS: Alchemy: Fix an out-of-bound access in db1200_dev

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Date: Wed, 10 Jan 2024 19:07:36 +0100
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: vkoul@...nel.org,
	jiaheng.fan@....com,
	peng.ma@....com,
	wen.he_1@....com
Cc: dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] MIPS: Alchemy: Fix an out-of-bound access in db1200_dev_setup()

When calling spi_register_board_info(), we should pass the number of
elements in 'db1200_spi_devs', not 'db1200_i2c_devs'.

Fixes: 63323ec54a7e ("MIPS: Alchemy: Extended DB1200 board support.")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
Compile tested only
---
 arch/mips/alchemy/devboards/db1200.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c
index f521874ebb07..67f067706af2 100644
--- a/arch/mips/alchemy/devboards/db1200.c
+++ b/arch/mips/alchemy/devboards/db1200.c
@@ -847,7 +847,7 @@ int __init db1200_dev_setup(void)
 	i2c_register_board_info(0, db1200_i2c_devs,
 				ARRAY_SIZE(db1200_i2c_devs));
 	spi_register_board_info(db1200_spi_devs,
-				ARRAY_SIZE(db1200_i2c_devs));
+				ARRAY_SIZE(db1200_spi_devs));
 
 	/* SWITCHES:	S6.8 I2C/SPI selector  (OFF=I2C	 ON=SPI)
 	 *		S6.7 AC97/I2S selector (OFF=AC97 ON=I2S)
-- 
2.34.1