Re: [PATCH -v6 1/2] Massive code cleanup of sys_msync()

From: Anton Salikhmetov
Date: Fri Jan 18 2008 - 05:30:29 EST


2008/1/18, Miklos Szeredi <miklos@xxxxxxxxxx>:
> > unsigned long end;
> > - struct mm_struct *mm = current->mm;
> > + int error, unmapped_error;
> > struct vm_area_struct *vma;
> > - int unmapped_error = 0;
> > - int error = -EINVAL;
> > + struct mm_struct *mm;
> >
> > + error = -EINVAL;
>
> I think you may have misunderstood my last comment. These are OK:
>
> struct mm_struct *mm = current->mm;
> int unmapped_error = 0;
> int error = -EINVAL;
>
> This is not so good:
>
> int error, unmapped_error;
>
> This is the worst:
>
> int error = -EINVAL, unmapped_error = 0;
>
> So I think the original code is fine as it is.
>
> Othewise patch looks OK now.

I moved the initialization of the variables to the code where they are needed.

I don't agree that "int a; int b;" is better than "int a, b".

>
> Miklos
>
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