From f07e572f6447465d8938679533d604e402b0f066 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 18 Feb 2021 18:04:33 +0100 Subject: bcm27xx: import latest patches from the RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas --- ...2835-codec-Fix-imbalance-in-dma_buf_get-d.patch | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0326-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0326-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0326-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch b/target/linux/bcm27xx/patches-5.4/950-0326-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch new file mode 100644 index 0000000000..f0fdfd29c8 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0326-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch @@ -0,0 +1,30 @@ +From 0c941589b9bfb07cd31c792b445e630817e956d1 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson +Date: Mon, 7 Oct 2019 14:02:57 +0100 +Subject: [PATCH] staging: bcm2835-codec: Fix imbalance in + dma_buf_get/dma_buf_put + +When represented with a dmabuf buffer that had previously been +imported, there was a call to dma_buf_get without a matching +dma_buf_put. This left dmabufs in limbo after all users had +supposedly released them. + +Signed-off-by: Dave Stevenson +--- + .../staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c ++++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c +@@ -2112,6 +2112,11 @@ static int bcm2835_codec_buf_prepare(str + } + + buf->mmal.dma_buf = dma_buf; ++ } else { ++ /* We already have a reference count on the dmabuf, so ++ * release the one we acquired above. ++ */ ++ dma_buf_put(dma_buf); + } + ret = 0; + break; -- cgit v1.2.3