This is a note to let you know that I've just added the patch titled
mtd: hyperbus: rpc-if: Fix RPM imbalance in probe error path
to the 5.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mtd-hyperbus-rpc-if-fix-rpm-imbalance-in-probe-error.patch
and it can be found in the queue-5.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a4ba741a3c7bd4a4311d076b0203d52893c9c295
Author: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Date: Fri Jun 17 11:26:51 2022 +0200
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 <geert+renesas@xxxxxxxxx>
Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/linux-mtd/f3070e1af480cb252ae183d479a593dbbf947685.1655457790.git.geert+renesas@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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;
}
