[PATCH] staging/iio: Use correct argument for sizeof

Dan Carpenter dan.carpenter at oracle.com
Tue Jan 22 08:05:26 UTC 2013


On Tue, Jan 22, 2013 at 09:02:05AM +0100, Lars-Peter Clausen wrote:
> On 01/22/2013 07:43 AM, Dan Carpenter wrote:
> > On Mon, Jan 21, 2013 at 10:14:02PM +0100, Peter Huewe wrote:
> >> found with coccicheck
> >> sizeof when applied to a pointer typed expression gives the size of
> >> the pointer
> >>
> > 
> > The original code is correct, in this case.  We're storing an array
> > of pointers and the last element in the array is a NULL.
> > 
> 
> The patch changed sizeof(st->attrs) to sizeof(*st->attrs). The type of
> st->attrs is struct attribute **, so both sizeofs return the same value (the
> size of an pointer) and the code happens to work, still the later is
> semantically more correct.
> 

Yeah.  You're right, my bad.  The patch is fine.

regards,
dan carpenter




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