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Date: Fri, 12 May 2017 22:54:23 +0800 (SGT) From: Julia Lawall <julia.lawall@...6.fr> To: netdev@...r.kernel.org, Jon Mason <jon.mason@...adcom.com> cc: Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>, kbuild-all@...org, linux-kernel@...r.kernel.org Subject: [PATCH] mdio: mux: fix device_node_continue.cocci warnings Device node iterators put the previous value of the index variable, so an explicit put causes a double put. In particular, of_mdiobus_register can fail before doing anything interesting, so one could view it as a no-op from the reference count point of view. Generated by: scripts/coccinelle/iterators/device_node_continue.cocci CC: Jon Mason <jon.mason@...adcom.com> Signed-off-by: Julia Lawall <julia.lawall@...6.fr> Signed-off-by: Fengguang Wu <fengguang.wu@...el.com> --- tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8785ded64cfb68b8d8b2583c7c1fc611f99eabf2 commit: b60161668199ac62011c024adc9e66713b9554e7 [13999/14120] mdio: mux: mdio-mux.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/net/phy/mdio-mux.c +++ b/drivers/net/phy/mdio-mux.c @@ -169,7 +169,6 @@ int mdio_mux_init(struct device *dev, if (r) { mdiobus_free(cb->mii_bus); devm_kfree(dev, cb); - of_node_put(child_bus_node); } else { cb->next = pb->children; pb->children = cb;
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