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e8d97c270c
Fix a kernel panic when probing the driver as a module:
Unable to handle kernel paging request at virtual address
ffffd9c18eb05000
of_find_matching_node_and_match+0x5c/0x1a0
hantro_probe+0x2f4/0x7d0 [hantro_vpu]
The imx8mq_vpu_shared_resources array is referenced by variant
structures through their shared_devices field. When built as a
module, __initconst causes this data to be freed after module
init, but it's later accessed during probe, causing a page fault.
The imx8mq_vpu_shared_resources is referenced from non-init code,
so keeping __initconst or __initconst_or_module here is wrong.
Drop the __initconst annotation and let it live in the normal .rodata
section.
A bug of __initconst called from regular non-init probe code
leading to bugs during probe deferrals or during unbind-bind cycles.
Reported-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Closes: https://lore.kernel.org/all/68ef934f-baa0-4bf6-93d8-834bbc441e66@kernel.org/
Reported-by: Franz Schnyder <franz.schnyder@toradex.com>
Closes: https://lore.kernel.org/all/n3qmcb62tepxltoskpf7ws6yiirc2so62ia23b42rj3wlmpl67@rvkbuirx7kkp/
Fixes:
|
||
|---|---|---|
| .. | ||
| hantro_drv.c | ||
| hantro_g1_h264_dec.c | ||
| hantro_g1_mpeg2_dec.c | ||
| hantro_g1_regs.h | ||
| hantro_g1_vp8_dec.c | ||
| hantro_g1.c | ||
| hantro_g2_hevc_dec.c | ||
| hantro_g2_regs.h | ||
| hantro_g2_vp9_dec.c | ||
| hantro_g2.c | ||
| hantro_h1_jpeg_enc.c | ||
| hantro_h1_regs.h | ||
| hantro_h264.c | ||
| hantro_hevc.c | ||
| hantro_hw.h | ||
| hantro_jpeg.c | ||
| hantro_jpeg.h | ||
| hantro_mpeg2.c | ||
| hantro_postproc.c | ||
| hantro_v4l2.c | ||
| hantro_v4l2.h | ||
| hantro_vp8.c | ||
| hantro_vp9.c | ||
| hantro_vp9.h | ||
| hantro.h | ||
| imx8m_vpu_hw.c | ||
| Kconfig | ||
| Makefile | ||
| rockchip_av1_entropymode.c | ||
| rockchip_av1_entropymode.h | ||
| rockchip_av1_filmgrain.c | ||
| rockchip_av1_filmgrain.h | ||
| rockchip_vpu_hw.c | ||
| rockchip_vpu2_hw_h264_dec.c | ||
| rockchip_vpu2_hw_jpeg_enc.c | ||
| rockchip_vpu2_hw_mpeg2_dec.c | ||
| rockchip_vpu2_hw_vp8_dec.c | ||
| rockchip_vpu2_regs.h | ||
| rockchip_vpu981_hw_av1_dec.c | ||
| rockchip_vpu981_regs.h | ||
| sama5d4_vdec_hw.c | ||
| stm32mp25_vpu_hw.c | ||
| sunxi_vpu_hw.c | ||