isdn/gigaset: restructure modem response parser (2)

Separate literal string handling from main parser loop.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tilman Schmidt 2015-03-21 20:15:32 +01:00 • committed by David S. Miller
commit 4df1e525af