Messages in this thread | | | Date | Tue, 26 Jan 2010 07:29:24 -0800 | From | Greg KH <> | Subject | Re: sysfs_ops show vector: size of buffer not required? |
| |
On Tue, Jan 26, 2010 at 12:01:27PM +0530, Himanshu Chauhan wrote: > On Mon, Jan 25, 2010 at 08:36:46PM -0800, Greg KH wrote: > > On Sun, Jan 24, 2010 at 01:11:18PM +0530, Himanshu Chauhan wrote: > > > Hi All, > > > > > > The sysfs_ops's show vector doesn't have a size of the > > > buffer given to the vector, while store on the other hand > > > has. What is the rationale behind it? > > > > If you need to check the size, you are doing something wrong. > > > > Seriously, that is the reason. A sysfs file should be a single value, > > which will never overflow the buffer. > > > I was talking in context of usb/ip's show_status. It writes a lot of data > into this buffer.
Then it needs to be fixed. Again, it must be, one value per file, that is the sysfs rule.
> Which seems to over flow the buffer. But anyways, I will check if it > can be reduced or at least be splitted into differnt device > attributes.
That would be great.
> BTW, Greg, Did you take a look at other patches I had sent? Are are worth or > I need rework?
They are in my "to-apply" queue that I will be flushing out in the next few days.
thanks,
greg k-h
| |