[PATCH v3,0/2] media: adding lock to protect the context list

[Yunfei Dong <yunfei.dong@mediatek.com>]

From: Yunfei Dong <yunfei.dong@mediatek.corp-partner.google.com>

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 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(-)

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2.18.0