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Message-Id: <20220510130733.633544267@linuxfoundation.org>
Date: Tue, 10 May 2022 15:07:23 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
Christophe JAILLET <christophe.jaillet@...adoo.fr>,
Samuel Holland <samuel@...lland.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 37/78] bus: sunxi-rsb: Fix the return value of sunxi_rsb_device_create()
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
[ Upstream commit fff8c10368e64e7f8960f149375c12ca5f3b30af ]
This code is really spurious.
It always returns an ERR_PTR, even when err is known to be 0 and calls
put_device() after a successful device_register() call.
It is likely that the return statement in the normal path is missing.
Add 'return rdev;' to fix it.
Fixes: d787dcdb9c8f ("bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Reviewed-by: Samuel Holland <samuel@...lland.org>
Tested-by: Samuel Holland <samuel@...lland.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
Link: https://lore.kernel.org/r/ef2b9576350bba4c8e05e669e9535e9e2a415763.1650551719.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/bus/sunxi-rsb.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 2ca2cc56bcef..b85d013a9185 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -224,6 +224,8 @@ static struct sunxi_rsb_device *sunxi_rsb_device_create(struct sunxi_rsb *rsb,
dev_dbg(&rdev->dev, "device %s registered\n", dev_name(&rdev->dev));
+ return rdev;
+
err_device_add:
put_device(&rdev->dev);
--
2.35.1
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