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fonts: Use BUILD_BUG_ON() for checking empty font table 

We have a nice macro, and the check of emptiness of the font table can
be done in a simpler way.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Takashi Iwai 2019-06-18 22:34:24 +02:00 committed by Greg Kroah-Hartman
parent aa1d19f1f9
commit 73a649d2b9
1 changed files with 1 additions and 14 deletions
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15
lib/fonts/fonts.c
View File

@ -20,55 +20,41 @@
#endif
#include <linux/font.h>
#define NO_FONTS
static const struct font_desc *fonts[] = {
#ifdef CONFIG_FONT_8x8
#undef NO_FONTS
&font_vga_8x8,
#endif
#ifdef CONFIG_FONT_8x16
#undef NO_FONTS
&font_vga_8x16,
#endif
#ifdef CONFIG_FONT_6x11
#undef NO_FONTS
&font_vga_6x11,
#endif
#ifdef CONFIG_FONT_7x14
#undef NO_FONTS
&font_7x14,
#endif
#ifdef CONFIG_FONT_SUN8x16
#undef NO_FONTS
&font_sun_8x16,
#endif
#ifdef CONFIG_FONT_SUN12x22
#undef NO_FONTS
&font_sun_12x22,
#endif
#ifdef CONFIG_FONT_10x18
#undef NO_FONTS
&font_10x18,
#endif
#ifdef CONFIG_FONT_ACORN_8x8
#undef NO_FONTS
&font_acorn_8x8,
#endif
#ifdef CONFIG_FONT_PEARL_8x8
#undef NO_FONTS
&font_pearl_8x8,
#endif
#ifdef CONFIG_FONT_MINI_4x6
#undef NO_FONTS
&font_mini_4x6,
#endif
#ifdef CONFIG_FONT_6x10
#undef NO_FONTS
&font_6x10,
#endif
#ifdef CONFIG_FONT_TER16x32
#undef NO_FONTS
&font_ter_16x32,
#endif
};
@ -94,6 +80,7 @@ const struct font_desc *find_font(const char *name)
{
unsigned int i;
BUILD_BUG_ON(!num_fonts);
for (i = 0; i < num_fonts; i++)
if (!strcmp(fonts[i]->name, name))
return fonts[i];