2 files changed, 3 insertions, 0 deletions

diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index 68452b768da2..03a0a01a4054 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -248,6 +248,8 @@ static inline void dump_rawmsg(enum debuglevel level, const char *tag,
                 CAPIMSG_APPID(data), CAPIMSG_MSGID(data), l,
                 CAPIMSG_CONTROL(data));
         l -= 12;
+        if (l <= 0)
+                return;
         dbgline = kmalloc(3 * l, GFP_ATOMIC);
         if (!dbgline)
                 return;
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 30a6b174fbb0..6849a11a1b24 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -507,6 +507,7 @@ void gigaset_freecs(struct cardstate *cs)
                 gig_dbg(DEBUG_INIT, "clearing at_state");
                 clear_at_state(&cs->at_state);
                 dealloc_temp_at_states(cs);
+                tty_port_destroy(&cs->port);
 
                 /* fall through */
         case 0: /* error in basic setup */