linux-kernel - [PATCH] media: rockchip/rga: do proper error checking in probe

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Message-Id: <20211120122321.20253-1-kmcopper@danwin1210.me>
Date:   Sat, 20 Nov 2021 12:23:02 +0000
From:   Kyle Copperfield <kmcopper@...win1210.me>
To:     Ezequiel Garcia <ezequiel@...labora.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Kyle Copperfield <kmcopper@...win1210.me>,
        Dragan Simic <dragan.simic@...il.com>,
        linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] media: rockchip/rga: do proper error checking in probe

The latest fix for probe error handling contained a typo that causes
probing to fail with the following message:

  rockchip-rga: probe of ff680000.rga failed with error -12

This patch fixes the typo.

Fixes: e58430e1d4fd (media: rockchip/rga: fix error handling in probe)
Reviewed-by: Dragan Simic <dragan.simic@...il.com>
Signed-off-by: Kyle Copperfield <kmcopper@...win1210.me>
---
 drivers/media/platform/rockchip/rga/rga.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
index 6759091b15e0..d99ea8973b67 100644
--- a/drivers/media/platform/rockchip/rga/rga.c
+++ b/drivers/media/platform/rockchip/rga/rga.c
@@ -895,7 +895,7 @@ 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;
 	}
-- 
2.34.0