diff options
Diffstat (limited to 'pcap-usb-linux-common.c')
| -rw-r--r-- | pcap-usb-linux-common.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/pcap-usb-linux-common.c b/pcap-usb-linux-common.c index d5d9e538..6bd044c9 100644 --- a/pcap-usb-linux-common.c +++ b/pcap-usb-linux-common.c @@ -41,13 +41,11 @@ fix_linux_usb_mmapped_length(struct pcap_pkthdr *pkth, const u_char *bp) const pcap_usb_header_mmapped *hdr; u_int bytes_left; + /* + * All callers of this routine must ensure that pkth->caplen is + * >= sizeof (pcap_usb_header_mmapped). + */ bytes_left = pkth->caplen; - if (bytes_left < sizeof (pcap_usb_header_mmapped)) { - /* - * We don't have the full metadata header, so give up. - */ - return; - } bytes_left -= sizeof (pcap_usb_header_mmapped); hdr = (const pcap_usb_header_mmapped *) bp; |