diff options
Diffstat (limited to 'net/caif/cffrml.c')
| -rw-r--r-- | net/caif/cffrml.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/caif/cffrml.c b/net/caif/cffrml.c index 6651a8dc62e0..d4d63586053a 100644 --- a/net/caif/cffrml.c +++ b/net/caif/cffrml.c @@ -92,8 +92,15 @@ static int cffrml_receive(struct cflayer *layr, struct cfpkt *pkt) len = le16_to_cpu(tmp); /* Subtract for FCS on length if FCS is not used. */ - if (!this->dofcs) + if (!this->dofcs) { + if (len < 2) { + ++cffrml_rcv_error; + pr_err("Invalid frame length (%d)\n", len); + cfpkt_destroy(pkt); + return -EPROTO; + } len -= 2; + } if (cfpkt_setlen(pkt, len) < 0) { ++cffrml_rcv_error; |