On 30/09/15 14:34, Fabio Estevam wrote:
> On Wed, Sep 30, 2015 at 5:21 AM, Neil Armstrong <narmstr...@baylibre.com>
> wrote:
>> To simplify and prevent memory leakage when unbinding, use
>> the devm_ memory allocation calls.
>>
>> Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
>> ---
>> net/dsa/dsa.c | 6 +++---
>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
>> index c59fa5d..98f94c2 100644
>> --- a/net/dsa/dsa.c
>> +++ b/net/dsa/dsa.c
>> @@ -305,7 +305,7 @@ static int dsa_switch_setup_one(struct dsa_switch *ds,
>> struct device *parent)
>> if (ret < 0)
>> goto out;
>>
>> - ds->slave_mii_bus = mdiobus_alloc();
>> + ds->slave_mii_bus = devm_mdiobus_alloc(parent);
>> if (ds->slave_mii_bus == NULL) {
>> ret = -ENOMEM;
>> goto out;
>> @@ -400,7 +400,7 @@ dsa_switch_setup(struct dsa_switch_tree *dst, int index,
>> /*
>> * Allocate and initialise switch state.
>> */
>> - ds = kzalloc(sizeof(*ds) + drv->priv_size, GFP_KERNEL);
>> + ds = devm_kzalloc(parent, sizeof(*ds) + drv->priv_size, GFP_KERNEL);
>
> Shouldn't devm_ functions be called only from probe and remove functions?
That's the case AFAICT, the call chain looks like this:
dsa_probe()
-> dsa_setup_dst()
-> dsa_switch_setup()
-> dsa_switch_setup_one()
--
Florian
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