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fbdev: stifb: Make the STI next font pointer a 32-bit signed offset

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[ Upstream commit 8a32aa17c1cd48df1ddaa78e45abcb8c7a2220d6 ]

The pointer to the next STI font is actually a signed 32-bit
offset. With this change the 64-bit kernel will correctly subract
the (signed 32-bit) offset instead of adding a (unsigned 32-bit)
offset. It has no effect on 32-bit kernels.

This fixes the stifb driver with a 64-bit kernel on qemu.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Helge Deller
2023-10-27 13:36:48 +02:00
committed by Greg Kroah-Hartman
parent 15bc430fc1
commit 8a3322a35f
1 changed files with 1 additions and 1 deletions
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2
drivers/video/fbdev/sticore.h
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@@ -231,7 +231,7 @@ struct sti_rom_font {
u8 height;
u8 font_type; /* language type */
u8 bytes_per_char;
u32 next_font;
s32 next_font; /* note: signed int */
u8 underline_height;
u8 underline_pos;
u8 res008[2];