From: Irui Wang Date: Tue, 26 Sep 2023 10:19:08 +0000 (+0800) Subject: media: mediatek: vcodec: Fix encoder access NULL pointer X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1146bec0ca34375f963f79f5c4e6b49ed5386aaa;p=linux.git media: mediatek: vcodec: Fix encoder access NULL pointer Need to set the private data with encoder device, or will access NULL pointer in encoder handler. Fixes: 1972e32431ed ("media: mediatek: vcodec: Fix possible invalid memory access for encoder") Signed-off-by: Irui Wang Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hans Verkuil --- diff --git a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c index d299cc2962a5a..ae6290d28f8e9 100644 --- a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c +++ b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c @@ -138,7 +138,8 @@ int vpu_enc_init(struct venc_vpu_inst *vpu) vpu->ctx->vpu_inst = vpu; status = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler, vpu->id, - vpu_enc_ipi_handler, "venc", NULL); + vpu_enc_ipi_handler, "venc", + vpu->ctx->dev); if (status) { mtk_venc_err(vpu->ctx, "vpu_ipi_register fail %d", status);