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Date:   Mon, 25 May 2020 12:08:58 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Heiko Stuebner <heiko@...ech.de>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>
Subject: [PATCH 1/2] phy: rockchip: Fix return value of inno_dsidphy_probe()

When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Fixes: b7535a3bc0ba ("phy/rockchip: Add support for Innosilicon MIPI/LVDS/TTL PHY")
Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c b/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
index a7c6c94..8af8c6c 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
@@ -607,8 +607,8 @@ static int inno_dsidphy_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, inno);
 
 	inno->phy_base = devm_platform_ioremap_resource(pdev, 0);
-	if (!inno->phy_base)
-		return -ENOMEM;
+	if (IS_ERR(inno->phy_base))
+		return PTR_ERR(inno->phy_base);
 
 	inno->ref_clk = devm_clk_get(dev, "ref");
 	if (IS_ERR(inno->ref_clk)) {
-- 
2.1.0

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