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    Subject[PATCH 5.10 084/563] memory: renesas-rpc-if: Return error in case devm_ioremap_resource() fails
    Date
    From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

    [ Upstream commit 818fdfa89baac77a8df5a2c30f4fb798cc937aa0 ]

    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>
    Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
    Link: https://lore.kernel.org/r/20211025205631.21151-6-prabhakar.mahadev-lad.rj@bp.renesas.com
    Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 a760ab08256ff..9019121a80f53 100644
    --- a/drivers/memory/renesas-rpc-if.c
    +++ b/drivers/memory/renesas-rpc-if.c
    @@ -245,7 +245,7 @@ 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);
    --
    2.34.1


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