[FS#45] TL WDR3500 crash during boot up

[LEDE Bugs]

The following task has a new comment added:

FS#45 - TL WDR3500 crash during boot up
User who did this - Piotr Dymacz (pepe2k)

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I can confirm that it's fixed (tested on TP-Link TL-WR841N v9 + r1442).
Fixed by Felix in: https://github.com/lede-project/source/commit/83997146e76d4097e30facf6ad89e5fa3bd7c65b
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=45#comment313