[U-Boot] [PATCH 1/2] net/eth.c: make eth_get_dev_by_name(NULL) safe

Mike Frysinger vapier at gentoo.org
Wed Jul 6 21:38:45 CEST 2011


On Wednesday, July 06, 2011 03:15:08 Helmut Raiger wrote:
> On 07/05/2011 05:44 AM, Mike Frysinger wrote:
> > On Monday, July 04, 2011 06:29:51 helmut.raiger at hale.at wrote:
> >> eth_get_dev_by_name() is not safe to use for devname being NULL
> >> as it uses strcmp. This patch makes it return NULL if devname NULL
> >> is passed.
> > 
> > i'm not sure about this.  passing NULL is wrong, and the caller should
> > catch that shouldnt it ?
> 
> So what is your suggestion how to deal with it?

in what situation is eth_get_dev_by_name(NULL) being called ?  my suggestion 
would be to fix that call point since it's doing something wrong.
-mike
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