linux-kernel - [PATCH] auxdisplay: img-ascii-lcd: add missing sentinel entry in img_ascii_lcd

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Message-ID: <20170221053911.GA3229@dtor-ws>
Date:   Mon, 20 Feb 2017 21:39:11 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Paul Burton <paul.burton@...tec.com>
Cc:     Miguel Ojeda Sandonis <miguel.ojeda.sandonis@...il.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] auxdisplay: img-ascii-lcd: add missing sentinel entry in
 img_ascii_lcd_matches

The OF device table must be terminated, otherwise we'll be walking past
it and into areas unknown.

This causes KASAN errors reported by 0day kernel testing robot.

Reported-by: Fengguang Wu <fengguang.wu@...el.com>
Tested-by: Fengguang Wu <fengguang.wu@...el.com>
Fixes: 0cad855fbd08 ("auxdisplay: img-ascii-lcd: driver for simple ASCII...")
Cc: stable@...r.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
 drivers/auxdisplay/img-ascii-lcd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c
index bf43b5d2aafc..83f1439e57fd 100644
--- a/drivers/auxdisplay/img-ascii-lcd.c
+++ b/drivers/auxdisplay/img-ascii-lcd.c
@@ -218,6 +218,7 @@ static const struct of_device_id img_ascii_lcd_matches[] = {
 	{ .compatible = "img,boston-lcd", .data = &boston_config },
 	{ .compatible = "mti,malta-lcd", .data = &malta_config },
 	{ .compatible = "mti,sead3-lcd", .data = &sead3_config },
+	{ /* sentinel */ }
 };
 
 /**
-- 
2.11.0.483.g087da7b7c-goog


-- 
Dmitry