diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2026-03-09 15:14:46 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2026-03-09 15:47:20 +0100 |
| commit | e370d84b79ad28ecf9a9e1dad967aa64dbfbd8d8 (patch) | |
| tree | f7ea0d440f62e98bb8bd769a3065d719faf84183 /drivers/video | |
| parent | 61912c607fa9955dcf3fc018b227baa98a6776dc (diff) | |
vt: Calculate font-buffer size with vc_font_size()
In fbcon, fbcon_resize() computes the size of the font buffer from the
values stored in vc_font. Move these calculations to the dedicated helpers
vc_font_pitch() and vc_font_size().
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/core/fbcon.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 247bb90c08d3..103e91c8d874 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -2037,7 +2037,6 @@ static void updatescrollmode(struct fbcon_display *p, } #define PITCH(w) (((w) + 7) >> 3) -#define CALC_FONTSZ(h, p, c) ((h) * (p) * (c)) /* size = height * pitch * charcount */ static int fbcon_resize(struct vc_data *vc, unsigned int width, unsigned int height, bool from_user) @@ -2049,8 +2048,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width, int x_diff, y_diff, virt_w, virt_h, virt_fw, virt_fh; if (p->userfont && FNTSIZE(vc->vc_font.data)) { - int size; - int pitch = PITCH(vc->vc_font.width); + unsigned int size = vc_font_size(&vc->vc_font); /* * If user font, ensure that a possible change to user font @@ -2059,10 +2057,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width, * charcount can change and cannot be used to determine the * font data allocated size. */ - if (pitch <= 0) - return -EINVAL; - size = CALC_FONTSZ(vc->vc_font.height, pitch, vc->vc_font.charcount); - if (size > FNTSIZE(vc->vc_font.data)) + if (!size || size > FNTSIZE(vc->vc_font.data)) return -EINVAL; } |