From: Markus Elfring <Markus.Elfring@web.de>
To: Joe Perches <joe@perches.com>,
linux-s390@vger.kernel.org, kernel-janitors@vger.kernel.org
Cc: "Christian Bornträger" <borntraeger@de.ibm.com>,
"Harald Freudenberger" <freude@linux.ibm.com>,
"Heiko Carstens" <heiko.carstens@de.ibm.com>,
"Ingo Franzki" <ifranzki@linux.ibm.com>,
"Vasily Gorbik" <gor@linux.ibm.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: s390/pkey: Use memdup_user() rather than duplicating its implementation
Date: Wed, 6 Nov 2019 20:18:05 +0100 [thread overview]
Message-ID: <298c5ecf-2fc7-b604-b97a-85c0717cafc9@web.de> (raw)
In-Reply-To: <7b6295e48dbb4b5b9c578516f40b61ad2afd115b.camel@perches.com>
>>> There is no bug here.
>>
>> Do you find duplicated source code questionable?
>
> No.
Do you disagree to the following information which can be provided by
a coccicheck run?
./drivers/s390/crypto/pkey_api.c:722:8-15: WARNING opportunity for memdup_user
> It is something that can be improved through
> code consolidation though.
>
>> Is this also an error item?
>
> Definitely not.
Your view seems to be very limited at the moment.
> It is _only_ an error if there is some logic defect.
> There is no logic defect here.
I suggest to consider additional software weaknesses besides logic errors.
Do we occasionally care any more for the development principle
“Don't repeat yourself”?
Regards,
Markus
next prev parent reply other threads:[~2019-11-06 19:18 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-06 10:22 [PATCH] s390/pkey: Use memdup_user() rather than duplicating its implementation Markus Elfring
2019-11-06 10:38 ` Joe Perches
2019-11-06 13:00 ` Markus Elfring
2019-11-06 17:29 ` Joe Perches
2019-11-06 18:55 ` Markus Elfring
2019-11-06 19:01 ` Joe Perches
2019-11-06 19:18 ` Markus Elfring [this message]
2019-11-06 13:00 ` Markus Elfring
2019-11-06 18:30 ` Christian Borntraeger
2019-11-07 6:48 ` Dan Carpenter
2019-11-07 8:07 ` Christian Borntraeger
2019-11-07 10:06 ` [PATCH v2] " Markus Elfring
2019-11-07 12:44 ` Christian Borntraeger
2019-11-07 13:45 ` Markus Elfring
2019-11-07 13:54 ` Christian Borntraeger
2019-11-07 14:27 ` Markus Elfring
2019-11-08 11:32 ` Christian Borntraeger
2019-11-08 17:14 ` [PATCH v3] " Markus Elfring
2019-11-11 7:54 ` Christian Borntraeger
2019-11-11 8:11 ` [v3] " Markus Elfring
2019-11-11 8:27 ` Christian Borntraeger
2019-11-11 8:42 ` Markus Elfring
2019-11-11 8:56 ` Christian Borntraeger
2019-11-11 9:06 ` Markus Elfring
2019-11-11 9:08 ` Christian Borntraeger
2019-11-11 9:17 ` Markus Elfring
2019-11-11 9:18 ` Christian Borntraeger
2019-11-11 9:26 ` Markus Elfring
2019-11-11 14:45 ` [PATCH v4] s390/pkey: Fix memory leak in error case by using memdup_user() rather than open coding Markus Elfring
2019-11-11 16:40 ` Christian Borntraeger
2019-11-13 17:09 ` [v4] " Markus Elfring
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