linux-kernel - [PATCH 02/45] fbcon: make display_desc a static array in fbcon

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Date: Thu, 18 Jan 2024 08:57:13 +0100
From: "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To: gregkh@...uxfoundation.org
Cc: linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Jiri Slaby (SUSE)" <jirislaby@...nel.org>,
	Daniel Vetter <daniel@...ll.ch>,
	Helge Deller <deller@....de>,
	linux-fbdev@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH 02/45] fbcon: make display_desc a static array in fbcon_startup()

display_desc is a pointer to a RO string. Instead, switch display_desc
to a static array as we are used to. It BTW saves unnecessary 8B on the
stack.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@...nel.org>
Cc: Daniel Vetter <daniel@...ll.ch>
Cc: Helge Deller <deller@....de>
Cc: linux-fbdev@...r.kernel.org
Cc: dri-devel@...ts.freedesktop.org
---
 drivers/video/fbdev/core/fbcon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 63af6ab034b5..a8c32cb4c878 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -921,7 +921,7 @@ static void display_to_var(struct fb_var_screeninfo *var,
 
 static const char *fbcon_startup(void)
 {
-	const char *display_desc = "frame buffer device";
+	static const char display_desc[] = "frame buffer device";
 	struct fbcon_display *p = &fb_display[fg_console];
 	struct vc_data *vc = vc_cons[fg_console].d;
 	const struct font_desc *font = NULL;
-- 
2.43.0