linux-kernel - [PATCH] ARM: sa1111: fix put_device() before device

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Date: Wed, 21 Feb 2024 22:38:37 +0100
From: Alfredo Cruz <alfredo.carlon@...il.com>
To: linux@...linux.org.uk,
	arnd@...db.de,
	u.kleine-koenig@...gutronix.de,
	shawnguo@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: Alfredo Cruz <alfredo.carlon@...il.com>
Subject: [PATCH] ARM: sa1111: fix put_device() before device_add() in error path

When request_resource() fails, a jump is made to err_resource label which
calls put_device() on &dev->res without adding it first.
Kept the err_resource label and moved put_device() to err_add label.

Signed-off-by: Alfredo Cruz <alfredo.carlon@...il.com>
---
 arch/arm/common/sa1111.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 1fbd7363cf11..76bf15da5115 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -779,8 +779,8 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent,
 
  err_add:
 	release_resource(&dev->res);
- err_resource:
 	put_device(&dev->dev);
+ err_resource:
  err_alloc:
 	return ret;
 }
-- 
2.43.2