[FS#645] kmod package postinst script returned status 255

[LEDE Bugs]

The following task has a new comment added:

FS#645 - kmod package postinst script returned status 255
User who did this - Mathias Kresin (mkresin)

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I'm quite sure that all your targets have CONFIG_ZLIB_INFLATE=y in their kernel config, therefore kmod-lib-zlib-deflate is a stub package which does effectively not contain zlib_inflate.ko.

Still no fix, but at least an explanation what is going on. FS#893 is about the same issue but most likely easier to fix.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=645#comment3798