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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-02-29 09:25:20 +0100 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-02-29 12:50:51 +0100 |
commit | a1383655cfaa71609d6236ae0fcf3b6047462b98 (patch) | |
tree | c6f123859e0dfcfaa6c1063eda26f27e208d3cac /target/linux/bcm27xx/patches-5.4/950-0341-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch | |
parent | a8aa974a9dfb4cba484dc4c1e4207fd9ec803410 (diff) | |
download | upstream-a1383655cfaa71609d6236ae0fcf3b6047462b98.tar.gz upstream-a1383655cfaa71609d6236ae0fcf3b6047462b98.tar.bz2 upstream-a1383655cfaa71609d6236ae0fcf3b6047462b98.zip |
bcm27xx: add linux 5.4 support
Tested on bcm2710 (Raspberry Pi 3B).
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0341-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0341-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-5.4/950-0341-staging-bcm2835-codec-Fix-imbalance-in-dma_buf_get-d.patch b/target/linux/bcm27xx/patches-5.4/950-0341-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-5.4/950-0341-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; |