Openwrt/target/linux/bcm27xx/patches-5.4/950-0334-drm-v3d-Plug-dma_fence-leak.patch
Álvaro Fernández Rojas 77e97abf12 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>
2020-05-28 19:12:43 +02:00

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Diff

From 9b2d99c0959e693e4dcea5f454bf84f229ca3d27 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 12 Nov 2019 16:41:21 +0000
Subject: [PATCH] drm/v3d: Plug dma_fence leak
The irq_fence and done_fence are given a reference that is never
released. The necessary dma_fence_put()s seem to have been
deleted in error in an earlier commit.
Fixes: 0b73676836b2 ("drm/v3d: Clock V3D down when not in use.")
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/gpu/drm/v3d/v3d_gem.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -410,6 +410,9 @@ v3d_job_free(struct kref *ref)
}
xa_destroy(&job->deps);
+ dma_fence_put(job->irq_fence);
+ dma_fence_put(job->done_fence);
+
v3d_clock_up_put(v3d);
kfree(job);