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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-05-28 19:08:55 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-05-28 19:12:43 +0200 |
commit | 77e97abf129c5028385dd72587eabab68db0d954 (patch) | |
tree | fc52a8c2ba346da77281f00538a1eb6de49deb5d /target/linux/bcm27xx/patches-5.4/950-0329-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch | |
parent | 5d3a0c6b26144eb5d62515b99613b5ad8dbdc717 (diff) | |
download | upstream-77e97abf129c5028385dd72587eabab68db0d954.tar.gz upstream-77e97abf129c5028385dd72587eabab68db0d954.tar.bz2 upstream-77e97abf129c5028385dd72587eabab68db0d954.zip |
bcm27xx: update to latest patches from RPi foundation
Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0329-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0329-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0329-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch b/target/linux/bcm27xx/patches-5.4/950-0329-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-5.4/950-0329-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 <dave.stevenson@raspberrypi.org> +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 <dave.stevenson@raspberrypi.org> +--- + .../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; |