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... 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);