[PATCH v2 4/7] IOMUX: Preserve console list if realloc() fails

[Andy Shevchenko]

On Fri, Dec 18, 2020 at 07:29:19PM -0700, Simon Glass wrote:
> On Wed, 16 Dec 2020 at 16:16, Andy Shevchenko
> <andriy.shevchenko at linux.intel.com> wrote:
> >
> > It's realloc() 101 to avoid `foo = realloc(foo, ...);` call
> > due to getting a memory leak.
> 
> Hmm I don't think I knew that...

When you use the same variable for the source and destination in case of NULL
the source gone.

It's okay to have

	foo = bar;
	bar = realloc(bar, ...);
	if (bar == NULL)
	...do something with foo if needed...

But it seems it's not the case here.

> Reviewed-by: Simon Glass <sjg at chromium.org>

Thanks!

-- 
With Best Regards,
Andy Shevchenko