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path: root/drivers/isdn/gigaset/capi.c
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Diffstat (limited to 'drivers/isdn/gigaset/capi.c')
-rw-r--r--drivers/isdn/gigaset/capi.c2
1 files changed, 2 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;