examples/fb: fix framebuffer demo not working with BUILD_KERNEL #3228
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When BUILD_KERNEL, will case userspace access the kernel address and abort. Signed-off-by: buxiasen <buxiasen@xiaomi.com>
xiaoxiang781216
approved these changes
Nov 30, 2025
jerpelea
approved these changes
Dec 1, 2025
jerpelea
changed the title
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Summary
fb: fix no mmap with get_pinfo, kernel build with data abort
Impact
Before fix the fb demo will abort as we didnot do mmap, userspace direct use buffer from ioctl.
After fix, the fb demo should able to work with knsh.
Testing
CI-test, arm-v7a knsh