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authorÁlvaro Fernández Rojas <noltari@gmail.com>2019-08-09 19:50:30 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2019-08-27 11:10:01 +0200
commit2340c646e6a5da658e114be2f721ff90853588d4 (patch)
treedf9744d2344e71e8c5d1b75c3e1528bc474313fe /target/linux/brcm2708/patches-4.19/950-0315-staging-bcm2835-camera-Add-sanity-checks-for-queue_s.patch
parent81d0da118694feb874f992093063a2852285d194 (diff)
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brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0315-staging-bcm2835-camera-Add-sanity-checks-for-queue_s.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0315-staging-bcm2835-camera-Add-sanity-checks-for-queue_s.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0315-staging-bcm2835-camera-Add-sanity-checks-for-queue_s.patch b/target/linux/brcm2708/patches-4.19/950-0315-staging-bcm2835-camera-Add-sanity-checks-for-queue_s.patch
new file mode 100644
index 0000000000..827e8a9110
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0315-staging-bcm2835-camera-Add-sanity-checks-for-queue_s.patch
@@ -0,0 +1,44 @@
+From 73ee9ac76651e7e52f23e0f69c2944918e659fe7 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Tue, 15 Jan 2019 15:35:24 +0000
+Subject: [PATCH 315/773] staging: bcm2835-camera: Add sanity checks for
+ queue_setup/CREATE_BUFS
+
+Fixes a v4l2-compliance failure when passed a buffer that is
+too small.
+queue_setup wasn't handling the case where !(*nplanes), as
+used from CREATE_BUFS and requiring the driver to sanity
+check the provided buffer parameters. It was assuming that
+it was always being used in the REQBUFS case where it provides
+the buffer properties.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ .../bcm2835-camera/bcm2835-camera.c | 16 ++++++++++++++++
+ 1 file changed, 16 insertions(+)
+
+--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
++++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+@@ -242,6 +242,22 @@ static int queue_setup(struct vb2_queue
+ return -EINVAL;
+ }
+
++ /* Handle CREATE_BUFS situation - *nplanes != 0 */
++ if (*nplanes) {
++ if (*nplanes != 1 ||
++ sizes[0] < dev->capture.port->current_buffer.size) {
++ v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
++ "%s: dev:%p Invalid buffer request from CREATE_BUFS, size %u < %u, nplanes %u != 1\n",
++ __func__, dev, sizes[0],
++ dev->capture.port->current_buffer.size,
++ *nplanes);
++ return -EINVAL;
++ } else {
++ return 0;
++ }
++ }
++
++ /* Handle REQBUFS situation */
+ size = dev->capture.port->current_buffer.size;
+ if (size == 0) {
+ v4l2_err(&dev->v4l2_dev,