From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752768AbcHOCr2 (ORCPT ); Sun, 14 Aug 2016 22:47:28 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:14966 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752673AbcHOCr1 (ORCPT ); Sun, 14 Aug 2016 22:47:27 -0400 From: Tiffany Lin To: Hans Verkuil , Laurent Pinchart , Mauro Carvalho Chehab , Matthias Brugger , Daniel Kurtz , Pawel Osciak CC: Eddie Huang , Yingjoe Chen , , , , , Tiffany Lin Subject: [PATCH for v4.8] vcodec:mediatek: Fix fops_vcodec_release flow for V4L2 Encoder Date: Mon, 15 Aug 2016 10:47:20 +0800 Message-ID: <1471229240-38268-1-git-send-email-tiffany.lin@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch fix that mtk_vcodec_venc_release should be called after v4l2_m2m_ctx_release Signed-off-by: Tiffany Lin --- drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 7 ++++++- .../media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 6 +++++- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c index b1f0acb..a145130 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c @@ -1354,5 +1354,10 @@ int mtk_venc_lock(struct mtk_vcodec_ctx *ctx) void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx) { - venc_if_deinit(ctx); + int ret = venc_if_deinit(ctx); + + if (ret) + mtk_v4l2_err("venc_if_deinit failed=%d", ret); + + ctx->state = MTK_STATE_FREE; } diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c index c7806ec..5cd2151 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -218,11 +218,15 @@ static int fops_vcodec_release(struct file *file) mtk_v4l2_debug(1, "[%d] encoder", ctx->id); mutex_lock(&dev->dev_mutex); + /* + * Call v4l2_m2m_ctx_release to make sure the worker thread is not + * running after venc_if_deinit. + */ + v4l2_m2m_ctx_release(ctx->m2m_ctx); mtk_vcodec_enc_release(ctx); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); v4l2_ctrl_handler_free(&ctx->ctrl_hdl); - v4l2_m2m_ctx_release(ctx->m2m_ctx); list_del_init(&ctx->list); dev->num_instances--; -- 1.7.9.5