[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 - Matthias Schiffer (NeoRaider)

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Fixed/workarounded with https://git.openwrt.org/?p=openwrt/openwrt.git;a=commitdiff;h=efb6ca189641aec64ba94f0d6d4e008fb2c1668b

Fix will be in 17.01.5; in the mean time, it can be applied manually in /lib/functions.sh .
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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=645#comment4604