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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Navid Emamdoost <navid.emamdoost@gmail.com>,
	Stefan Schmidt <stefan@datenfreihafen.org>,
	Sasha Levin <sashal@kernel.org>,
	linux-wpan@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 4.19 10/26] ieee802154: ca8210: prevent memory leak
Date: Wed,  9 Oct 2019 13:05:42 -0400
Message-ID: <20191009170558.32517-10-sashal@kernel.org> (raw)
In-Reply-To: <20191009170558.32517-1-sashal@kernel.org>

From: Navid Emamdoost <navid.emamdoost@gmail.com>

[ Upstream commit 6402939ec86eaf226c8b8ae00ed983936b164908 ]

In ca8210_probe the allocated pdata needs to be assigned to
spi_device->dev.platform_data before calling ca8210_get_platform_data.
Othrwise when ca8210_get_platform_data fails pdata cannot be released.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Link: https://lore.kernel.org/r/20190917224713.26371-1-navid.emamdoost@gmail.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ieee802154/ca8210.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index b2ff903a9cb6e..38a41651e451c 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -3151,12 +3151,12 @@ static int ca8210_probe(struct spi_device *spi_device)
 		goto error;
 	}
 
+	priv->spi->dev.platform_data = pdata;
 	ret = ca8210_get_platform_data(priv->spi, pdata);
 	if (ret) {
 		dev_crit(&spi_device->dev, "ca8210_get_platform_data failed\n");
 		goto error;
 	}
-	priv->spi->dev.platform_data = pdata;
 
 	ret = ca8210_dev_com_init(priv);
 	if (ret) {
-- 
2.20.1


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