Messages in this thread | | | Date | Mon, 25 Jul 2005 18:54:01 -0700 | From | Greg KH <> | Subject | Re: [PATCH] driver core: Add the ability to unbind drivers to devices from userspace |
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On Mon, Jul 25, 2005 at 08:56:17PM -0400, Jon Smirl wrote: > On 7/25/05, Greg KH <greg@kroah.com> wrote: > > On Mon, Jul 25, 2005 at 08:28:10PM -0400, Jon Smirl wrote: > > > I didn't realize that echo was adding the CR, I thought that it always > > > appeared on the end of a sysfs attribute set. So now I have to go add > > > white space stripping to a dozen fbdev/drm sysfs attribute > > > implementations. Given that the param is const I may have to allocate > > > new buffers and copy. I also wonder how many other people have made > > > the same mistake. > > > > Nah, just zero out that \n character :) > > The input buffer is "const char * buf". I will have to override the > const to zero it out.
Yeah, hence the ":)" above.
> > > Are you sure it would break other things? These are supposed to be > > > text attributes, not binary ones. > > > > I agree, I don't know what would break. Care to make a patch so we > > could find out? > > I'll put one together to trim leading/trailing white space from the > buffer before it is passed into the attribute functions. Now that I > think about this I believe the attributes should have always had the > leading/trailing white space removed. If we don't do it in the sysfs > code then every driver has to do it.
Ok, sounds good.
thanks,
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