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From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
        Rob Herring <robh+dt@kernel.org>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Richard Weinberger <richard@nod.at>,
        Mark Brown <broonie@kernel.org>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Sergei Shtylyov <sergei.shtylyov@gmail.com>
Cc:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mtd@lists.infradead.org, linux-spi@vger.kernel.org,
        linux-renesas-soc@vger.kernel.org,
        Prabhakar <prabhakar.csengg@gmail.com>,
        Biju Das <biju.das.jz@bp.renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: [PATCH v2 5/7] memory: renesas-rpc-if: Return error in case devm_ioremap_resource() fails
Date:   Mon, 25 Oct 2021 21:56:29 +0100
Message-Id: <20211025205631.21151-6-prabhakar.mahadev-lad.rj@bp.renesas.com>
In-Reply-To: <20211025205631.21151-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
References: <20211025205631.21151-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Precedence: bulk

Make sure we return error in case devm_ioremap_resource() fails for dirmap
resource.

Fixes: ca7d8b980b67 ("memory: add Renesas RPC-IF driver")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
v1->v2:
 * New patch (split from patch 5 of v1)
 * Included RB tags
---
 drivers/memory/renesas-rpc-if.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c
index 7435baad0007..ff8bcbccac63 100644
--- a/drivers/memory/renesas-rpc-if.c
+++ b/drivers/memory/renesas-rpc-if.c
@@ -243,7 +243,7 @@ int rpcif_sw_init(struct rpcif *rpc, struct device *dev)
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dirmap");
 	rpc->dirmap = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(rpc->dirmap))
-		rpc->dirmap = NULL;
+		return PTR_ERR(rpc->dirmap);
 	rpc->size = resource_size(res);
 
 	rpc->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
-- 
2.17.1