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Re: [PATCH 1/5] net: dsa: fix a leaked reference by adding a missing of_node_put

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On Fri, Feb 22, 2019 at 8:15 AM Wen Yang <wen.yang99@xxxxxxxxxx> wrote:

> The call to of_get_child_by_name returns a node pointer with refcount
> incremented thus it must be explicitly decremented after the last
> usage.
>
> Detected by coccinelle with the following warnings:
> ./drivers/net/dsa/rtl8366rb.c:510:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 501, but without a corresponding object release within this function.
> ./drivers/net/dsa/rtl8366rb.c:518:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 501, but without a corresponding object release within this function.
> ./drivers/net/dsa/rtl8366rb.c:540:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 501, but without a corresponding object release within this function.
> ./drivers/net/dsa/rtl8366rb.c:548:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 501, but without a corresponding object release within this function.
> ./drivers/net/dsa/rtl8366rb.c:556:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 501, but without a corresponding object release within this function.
> ./drivers/net/dsa/rtl8366rb.c:561:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 501, but without a corresponding object release within this function.
>
> Signed-off-by: Wen Yang <wen.yang99@xxxxxxxxxx>
> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Cc: Andrew Lunn <andrew@xxxxxxx>
> Cc: Vivien Didelot <vivien.didelot@xxxxxxxxx>
> Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx

Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij



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