[U-Boot] [PATCH] zlib: allow 0 as destination pointer

[rhabarber1848 <rhabarber1848@web.de>]

Wolfgang Denk wrote:

> I wonder why you do not create a patch between the old original
> version and what wd have in U-Boot now (which should clearly show
> what has been changed to adapt this code for U-Boot), and then apply
> (if necessary, manually) that patch to the current version?

Hi Wolfgang,

I did exactly that, I took rc1, downloaded the zlib-1.2.3 patch from the
newsgroup[1] and added the patch by Alessandro[2]. The WATCHDOG_RESET code
in gunzip.c is not touched by either patches, but I still get a
WATCHDOG_RESET when the kernel image is decompressed with the new code.

Though is seems that

if (z->outcb != Z_NULL)
     (*z->outcb)(Z_NULL, 0);

is not used anymore in zlib.c so the WATCHDOG_RESET calls are silently
ignored. I will try to re-add them tomorrow.

Besides this, rc1 is working fine here.

Cheers, rhabarber1848

[1] http://article.gmane.org/gmane.comp.boot-loaders.u-boot/64727
[2] http://article.gmane.org/gmane.comp.boot-loaders.u-boot/64969