linux-kernel - [PATCH] drm/v3d: add missed pm_runtime

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20191118024755.21456-1-hslester96@gmail.com>
Date:   Mon, 18 Nov 2019 10:47:55 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Eric Anholt <eric@...olt.net>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] drm/v3d: add missed pm_runtime_disable

The driver forgets to call pm_runtime_disable in probe failure
and remove.
Add the missed calls to fix it.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 drivers/gpu/drm/v3d/v3d_drv.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
index 3506ae2723ae..e109bb8cd67d 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -333,6 +333,7 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
 dev_destroy:
 	drm_dev_put(drm);
 dma_free:
+	pm_runtime_disable(dev);
 	dma_free_wc(dev, 4096, v3d->mmu_scratch, v3d->mmu_scratch_paddr);
 dev_free:
 	kfree(v3d);
@@ -350,6 +351,8 @@ static int v3d_platform_drm_remove(struct platform_device *pdev)
 
 	drm_dev_put(drm);
 
+	pm_runtime_disable(v3d->dev);
+
 	dma_free_wc(v3d->dev, 4096, v3d->mmu_scratch, v3d->mmu_scratch_paddr);
 
 	return 0;
-- 
2.24.0