tree d87ebc15dd7a4dbb267e0c7487077b1b231bace4
parent 23187fa108f094b2ed9d497380b63235592477b2
author Neels Hofmeyr <neels@hofmeyr.de> 1544049008 +0100
committer Harald Welte <laforge@gnumonks.org> 1544461590 +0000

gsm48_mi_to_string(): guard against zero length output buffer

All successful cases already return from the switch(), so simply handle all
errors below it by returning an empty string (if there is enough string
buffer).

Change-Id: I709ac3b9efb7b4258d8660715b10312e11b9b571