The ctx_list of each module will be deleted when scp getting unexpected behavior, then the ctx_list->next will be set to NULL, the system reboot when access the NULL pointer in function vpu_enc(dev)_ipi_handler to go through each context. --- Changed in v4: - Re-write the commit message for patch 1/2 Changed in v3: - change 'Fixes' tag in patch 1/2 - add cover-letter for this patch series --- Yunfei Dong (2): media: mediatek: vcodec: adding lock to protect decoder context list media: mediatek: vcodec: adding lock to protect encoder context list .../platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c | 8 ++++---- .../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c | 5 +++++ .../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h | 2 ++ .../media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c | 2 ++ .../platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c | 5 +++++ .../platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h | 2 ++ .../media/platform/mediatek/vcodec/encoder/venc_vpu_if.c | 2 ++ 7 files changed, 22 insertions(+), 4 deletions(-) -- 2.18.0
