From 24adbee344b2d6e8342f41928c82719187dbce09 Mon Sep 17 00:00:00 2001
From: Janne Grunau <j@jannau.net>
Date: Wed, 17 Jan 2024 23:29:29 +0100
Subject: [PATCH] video: console: Fix buffer overflow in cmd 'font list'
vidconsole_ops.get_font is documented to return -ENOENT after the last
video_fontdata entry.
Signed-off-by: Janne Grunau <j@jannau.net>
---
drivers/video/console_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/console_core.c b/drivers/video/console_core.c
index d17764d0b0..939363653f 100644
--- a/drivers/video/console_core.c
+++ b/drivers/video/console_core.c
@@ -225,7 +225,7 @@ int console_simple_get_font(struct udevice *dev, int seq, struct vidfont_info *i
{
info->name = fonts[seq].name;
- return 0;
+ return info->name ? 0 : -ENOENT;
}
int console_simple_select_font(struct udevice *dev, const char *name, uint size)
--
2.39.5