tree 0add0cd58c448818b33a18a95e48fb53446038c7
parent 881dcaf7aa262e3c14c104e49e65cd2ee3bf93c3
author Harald Welte <laforge@gnumonks.org> 1470003859 +0200
committer Harald Welte <laforge@gnumonks.org> 1470004057 +0200

lapd_core: Fix crash in lapd_dl_flush_hist()

When lapd_dl_flush_hist() was called before we actually had started a
transmit history from lapd_dl_init(), we woul segfault before this
patch.

Change-Id: Ifa677c9b335dd2884b4f3e44699d901957a0500b