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Wang Jun f044788088 fbdev: viafb: check ioremap return value in viafb_lcd_get_mobile_state
The function viafb_lcd_get_mobile_state() calls ioremap() without
checking the return value. If ioremap() fails (returns NULL), the
subsequent readw() will cause a NULL pointer dereference.

Signed-off-by: Wang Jun <1742789905@qq.com>
Signed-off-by: Helge Deller <deller@gmx.de>
2026-03-10 17:32:35 +01:00
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