From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: self-assignment in dino_card_setup Date: Tue, 29 Dec 2015 12:51:54 -0800 Message-ID: <1451422314.2346.6.camel@HansenPartnership.com> References: <87k2nx3tuz.fsf@rasmusvillemoes.dk> <5682EB8B.30308@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: linux-parisc@vger.kernel.org To: Helge Deller , Rasmus Villemoes , "James E.J. Bottomley" Return-path: In-Reply-To: <5682EB8B.30308@gmx.de> List-ID: List-Id: linux-parisc.vger.kernel.org On Tue, 2015-12-29 at 21:22 +0100, Helge Deller wrote: > Hi Rasmus, > > On 29.12.2015 21:03, Rasmus Villemoes wrote: > > Line 474 of drivers/parisc/dino.c reads > > > > res->name = dino_dev->hba.lmmio_space.name; > > > > but res is &dino_dev->hba.lmmio_space, so this seems to just assign > > NULL > > again to res->name. Presumably the allocation of <= 128 bytes never > > fails, but I wonder what the purpose was, and if the confusing else > > branch couldn't just be deleted (and then one should just do res > > ->name = > > kmemdup(name, size+1, GFP_KERNEL); and delete the if as well). > > I'd suggest to just delete the else branch. > Do you want to send a patch with signed-off ? Actually, I'd guess the intention was to put back whatever the contents of lmmio_space.name originally was ... it's usually some default static string. James