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memory: renesas-rpc-if: Return error in case devm_ioremap_resource() fails

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[ Upstream commit 818fdfa89b ]

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

Fixes: ca7d8b980b ("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>
This commit is contained in:
Lad Prabhakar 2021-10-25 21:56:29 +01:00 committed by Greg Kroah-Hartman
parent dba0aea572
commit 63811bf4f5
1 changed files with 1 additions and 1 deletions
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2
drivers/memory/renesas-rpc-if.c
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@ -244,7 +244,7 @@ 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);