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Message-ID: <1285bc39-b3fc-55b1-5422-a1474cd31c28@linux.ibm.com>
Date:   Mon, 25 Oct 2021 15:35:25 +0200
From:   Julian Wiedmann <jwi@...ux.ibm.com>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-netdev <netdev@...r.kernel.org>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Karsten Graul <kgraul@...ux.ibm.com>
Subject: Re: [PATCH net-next 6/9] s390/qeth: fix various format strings

On 25.10.21 15:22, Vladimir Oltean wrote:
> On Mon, Oct 25, 2021 at 11:56:55AM +0200, Julian Wiedmann wrote:
>> From: Heiko Carstens <hca@...ux.ibm.com>
>>
>> Various format strings don't match with types of parameters.
>> Fix all of them.
>>
>> Acked-by: Julian Wiedmann <jwi@...ux.ibm.com>
>> Signed-off-by: Heiko Carstens <hca@...ux.ibm.com>
>> Signed-off-by: Julian Wiedmann <jwi@...ux.ibm.com>
>> ---
>>  drivers/s390/net/qeth_l2_main.c | 14 +++++++-------
>>  1 file changed, 7 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
>> index adba52da9cab..0347fc184786 100644
>> --- a/drivers/s390/net/qeth_l2_main.c
>> +++ b/drivers/s390/net/qeth_l2_main.c
>> @@ -661,13 +661,13 @@ static void qeth_l2_dev2br_fdb_notify(struct qeth_card *card, u8 code,
>>  					 card->dev, &info.info, NULL);
>>  		QETH_CARD_TEXT(card, 4, "andelmac");
>>  		QETH_CARD_TEXT_(card, 4,
>> -				"mc%012lx", ether_addr_to_u64(ntfy_mac));
>> +				"mc%012llx", ether_addr_to_u64(ntfy_mac));
>>  	} else {
>>  		call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_BRIDGE,
>>  					 card->dev, &info.info, NULL);
>>  		QETH_CARD_TEXT(card, 4, "anaddmac");
>>  		QETH_CARD_TEXT_(card, 4,
>> -				"mc%012lx", ether_addr_to_u64(ntfy_mac));
>> +				"mc%012llx", ether_addr_to_u64(ntfy_mac));
> 
> You can print MAC addresses using the "%pM" printf format specifier, and
> the ntfy_mac as argument.
> 

Unfortunately not - no pointers allowed in such s390 dbf trace entries. See
e19e5be8b4ca ("s390/qeth: sanitize strings in debug messages").

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