From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A46D173 for ; Fri, 11 Jun 2021 08:01:08 +0000 (UTC) Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.55]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4G1Y8d39rkz6wbZ; Fri, 11 Jun 2021 15:57:05 +0800 (CST) Received: from dggpeml500020.china.huawei.com (7.185.36.88) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 11 Jun 2021 16:00:59 +0800 Received: from huawei.com (10.175.127.227) by dggpeml500020.china.huawei.com (7.185.36.88) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 11 Jun 2021 16:00:58 +0800 From: Baokun Li To: , , , , , , , , CC: , , , , , "Hulk Robot" Subject: [PATCH -next v3] media: staging: atomisp: use list_splice_init in atomisp_compat_css20.c Date: Fri, 11 Jun 2021 16:10:04 +0800 Message-ID: <20210611081004.1348026-1-libaokun1@huawei.com> X-Mailer: git-send-email 2.31.1 X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml500020.china.huawei.com (7.185.36.88) X-CFilter-Loop: Reflected Using list_splice_init() instead of entire while-loops in atomisp_compat_css20.c. Reported-by: Hulk Robot Signed-off-by: Baokun Li --- V1->V2: CC mailist V2->V3: Using list_move_tail() -> Using list_splice_init() .../media/atomisp/pci/atomisp_compat_css20.c | 35 +++---------------- 1 file changed, 5 insertions(+), 30 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c b/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c index f60198bb8a1a..3844180d32b5 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c +++ b/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c @@ -2144,42 +2144,17 @@ void atomisp_css_stop(struct atomisp_sub_device *asd, } /* move stats buffers to free queue list */ - while (!list_empty(&asd->s3a_stats_in_css)) { - s3a_buf = list_entry(asd->s3a_stats_in_css.next, - struct atomisp_s3a_buf, list); - list_del(&s3a_buf->list); - list_add_tail(&s3a_buf->list, &asd->s3a_stats); - } - while (!list_empty(&asd->s3a_stats_ready)) { - s3a_buf = list_entry(asd->s3a_stats_ready.next, - struct atomisp_s3a_buf, list); - list_del(&s3a_buf->list); - list_add_tail(&s3a_buf->list, &asd->s3a_stats); - } + list_splice_init(&asd->s3a_stats_in_css, &asd->s3a_stats); + list_splice_init(&asd->s3a_stats_ready, &asd->s3a_stats); spin_lock_irqsave(&asd->dis_stats_lock, irqflags); - while (!list_empty(&asd->dis_stats_in_css)) { - dis_buf = list_entry(asd->dis_stats_in_css.next, - struct atomisp_dis_buf, list); - list_del(&dis_buf->list); - list_add_tail(&dis_buf->list, &asd->dis_stats); - } + list_splice_init(&asd->dis_stats_in_css, &asd->dis_stats); asd->params.dis_proj_data_valid = false; spin_unlock_irqrestore(&asd->dis_stats_lock, irqflags); for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) { - while (!list_empty(&asd->metadata_in_css[i])) { - md_buf = list_entry(asd->metadata_in_css[i].next, - struct atomisp_metadata_buf, list); - list_del(&md_buf->list); - list_add_tail(&md_buf->list, &asd->metadata[i]); - } - while (!list_empty(&asd->metadata_ready[i])) { - md_buf = list_entry(asd->metadata_ready[i].next, - struct atomisp_metadata_buf, list); - list_del(&md_buf->list); - list_add_tail(&md_buf->list, &asd->metadata[i]); - } + list_splice_init(&asd->metadata_in_css[i], &asd->asd->metadata[i]); + list_splice_init(&asd->metadata_ready[i], &asd->asd->metadata[i]); } atomisp_flush_params_queue(&asd->video_out_capture); -- 2.31.1