From ad5b79bbfbd6657c719c9864f47b044f7972425d Mon Sep 17 00:00:00 2001 From: "Guoniu.zhou" Date: Tue, 11 May 2021 13:48:18 +0800 Subject: [PATCH] M865SW-742: media: isi: add status checking when open video device Add ISI stream status checking when user try to open it. Signed-off-by: Guoniu.zhou Reviewed-by: Robby Cai --- drivers/staging/media/imx/imx8-isi-cap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/imx/imx8-isi-cap.c b/drivers/staging/media/imx/imx8-isi-cap.c index e7b42a438482..ae736a8b76ca 100644 --- a/drivers/staging/media/imx/imx8-isi-cap.c +++ b/drivers/staging/media/imx/imx8-isi-cap.c @@ -751,7 +751,7 @@ static int mxc_isi_capture_open(struct file *file) } mutex_unlock(&isi_cap->lock); - if (mxc_isi->m2m_enabled) { + if (mxc_isi->m2m_enabled || isi_cap->is_streaming[isi_cap->id]) { dev_err(dev, "ISI channel[%d] is busy\n", isi_cap->id); return ret; } -- 2.17.1