gjdwebserver-overlay/sys-kernel/pinephone-sources/files/0004-media-rockchip-rga-Fix-probe-bugs.patch
2022-01-10 13:52:54 +01:00

40 lines
1.2 KiB
Diff

From: Ondrej Jirman <megous@megous.com>
Date: Sun, 21 Nov 2021 17:00:09 +0100
Subject: [PATCH 24/36] media: rockchip: rga: Fix probe bugs
The check for dst_mmu_pages allocation failure was inverted.
rga_parse_dt is missing a error return, so if some of the resources
return DEFER_PROBE, probe will succeed without these resources.
Signed-off-by: Ondrej Jirman <megous@megous.com>
---
drivers/media/platform/rockchip/rga/rga.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
index 4de5e8d..82cc0c0 100644
--- a/drivers/media/platform/rockchip/rga/rga.c
+++ b/drivers/media/platform/rockchip/rga/rga.c
@@ -815,8 +815,10 @@ static int rga_probe(struct platform_device *pdev)
mutex_init(&rga->mutex);
ret = rga_parse_dt(rga);
- if (ret)
+ if (ret) {
dev_err(&pdev->dev, "Unable to parse OF data\n");
+ return ret;
+ }
pm_runtime_enable(rga->dev);
@@ -892,7 +894,7 @@ static int rga_probe(struct platform_device *pdev)
}
rga->dst_mmu_pages =
(unsigned int *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 3);
- if (rga->dst_mmu_pages) {
+ if (!rga->dst_mmu_pages) {
ret = -ENOMEM;
goto free_src_pages;
}