From 219f5478099cefc92e0f3dcea213b81b2de70e51 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 17 Jun 2022 11:26:51 +0200 Subject: [PATCH] mtd: hyperbus: rpc-if: Fix RPM imbalance in probe error path [ Upstream commit c223a38d62e57aa60a890ea7247e3c58a54478e6 ] If rpcif_hw_init() fails, Runtime PM is left enabled. Fixes: b04cc0d912eb80d3 ("memory: renesas-rpc-if: Add support for RZ/G2L") Signed-off-by: Geert Uytterhoeven Reviewed-by: Wolfram Sang Reviewed-by: Lad Prabhakar Reviewed-by: Sergey Shtylyov Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/f3070e1af480cb252ae183d479a593dbbf947685.1655457790.git.geert+renesas@glider.be Signed-off-by: Sasha Levin --- drivers/mtd/hyperbus/rpc-if.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/hyperbus/rpc-if.c b/drivers/mtd/hyperbus/rpc-if.c index 6e08ec1d4f09..b70d259e48a7 100644 --- a/drivers/mtd/hyperbus/rpc-if.c +++ b/drivers/mtd/hyperbus/rpc-if.c @@ -134,7 +134,7 @@ static int rpcif_hb_probe(struct platform_device *pdev) error = rpcif_hw_init(&hyperbus->rpc, true); if (error) - return error; + goto out_disable_rpm; hyperbus->hbdev.map.size = hyperbus->rpc.size; hyperbus->hbdev.map.virt = hyperbus->rpc.dirmap; @@ -145,8 +145,12 @@ static int rpcif_hb_probe(struct platform_device *pdev) hyperbus->hbdev.np = of_get_next_child(pdev->dev.parent->of_node, NULL); error = hyperbus_register_device(&hyperbus->hbdev); if (error) - rpcif_disable_rpm(&hyperbus->rpc); + goto out_disable_rpm; + return 0; + +out_disable_rpm: + rpcif_disable_rpm(&hyperbus->rpc); return error; }