[PATCH 1/2] mtd: hyperbus: rpc-if: Fix RPM imbalance in probe error path
Geert Uytterhoeven
geert+renesas at glider.be
Tue Mar 29 07:00:38 PDT 2022
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 <geert+renesas at glider.be>
---
For the mtd tree.
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 6e08ec1d4f098c80..b70d259e48a7c728 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;
}
--
2.25.1
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