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From: Saravana Kannan <saravanak@google.com>
To: Andrew Lunn <andrew@lunn.ch>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: Saravana Kannan <saravanak@google.com>,
	Marc Zyngier <maz@kernel.org>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Kevin Hilman <khilman@baylibre.com>,
	kernel-team@android.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH net v2 1/3] net: mdio-mux: Delete unnecessary devm_kfree
Date: Tue, 17 Aug 2021 11:08:39 -0700	[thread overview]
Message-ID: <20210817180841.3210484-2-saravanak@google.com> (raw)
In-Reply-To: <20210817180841.3210484-1-saravanak@google.com>

The whole point of devm_* APIs is that you don't have to undo them if you
are returning an error that's going to get propagated out of a probe()
function. So delete unnecessary devm_kfree() call in the error return path.

Signed-off-by: Saravana Kannan <saravanak@google.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Marc Zyngier <maz@kernel.org>
Tested-by: Marc Zyngier <maz@kernel.org>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
---
 drivers/net/mdio/mdio-mux.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/mdio/mdio-mux.c b/drivers/net/mdio/mdio-mux.c
index 110e4ee85785..5b37284f54d6 100644
--- a/drivers/net/mdio/mdio-mux.c
+++ b/drivers/net/mdio/mdio-mux.c
@@ -181,7 +181,6 @@ int mdio_mux_init(struct device *dev,
 	}
 
 	dev_err(dev, "Error: No acceptable child buses found\n");
-	devm_kfree(dev, pb);
 err_pb_kz:
 	put_device(&parent_bus->dev);
 err_parent_bus:
-- 
2.33.0.rc1.237.g0d66db33f3-goog


  reply	other threads:[~2021-08-17 18:08 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-17 18:08 [PATCH net v2 0/3] Clean up and fix error handling in mdio_mux_init() Saravana Kannan
2021-08-17 18:08 ` Saravana Kannan [this message]
2021-08-17 21:10   ` [PATCH net v2 1/3] net: mdio-mux: Delete unnecessary devm_kfree Andrew Lunn
2021-08-18  2:56     ` Saravana Kannan
2021-08-18 18:46       ` Andrew Lunn
2021-08-17 18:08 ` [PATCH net v2 2/3] net: mdio-mux: Don't ignore memory allocation errors Saravana Kannan
2021-08-17 18:08 ` [PATCH net v2 3/3] net: mdio-mux: Handle -EPROBE_DEFER correctly Saravana Kannan

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