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font: Assign null_font to unknown_glyph
authorZhang Boyang <zhangboyang.id@gmail.com>
Mon, 5 Dec 2022 11:29:37 +0000 (19:29 +0800)
committerDaniel Kiper <daniel.kiper@oracle.com>
Tue, 10 Jan 2023 15:01:18 +0000 (16:01 +0100)
commitf6806966478c601a96e1f3e0e5e85cf5036555c0
tree12601c0fbc8ab93dcf5642bfb00db53c4d152635tree
parentd7ed2ebcd69df123fde8ae1ba9163e2b93c47bbfcommit | diff
font: Assign null_font to unknown_glyph

Like glyphs in ascii_font_glyph[], assign null_font to
unknown_glyph->font in order to prevent grub_font_get_*() from
dereferencing NULL pointer.

Signed-off-by: Zhang Boyang <zhangboyang.id@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
grub-core/font/font.c diff | blob | blame | history
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