diff options
Diffstat (limited to 'wiretap/mp2t.c')
| -rw-r--r-- | wiretap/mp2t.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/wiretap/mp2t.c b/wiretap/mp2t.c index 79d38e1dbd..44ee0b728c 100644 --- a/wiretap/mp2t.c +++ b/wiretap/mp2t.c @@ -276,7 +276,10 @@ mp2t_bits_per_second(wtap *wth, guint32 first, guint8 trailer_len, return WTAP_OPEN_NOT_MINE; } pcr_delta = pcr2 - pcr1; - bits_passed = MP2T_SIZE * (pn2 - pn1) * 8; + /* cast one of the factors to guint64 + otherwise, the multiplication would use guint32 and could + overflow before the result is assigned to the guint64 bits_passed */ + bits_passed = (guint64)MP2T_SIZE * (pn2 - pn1) * 8; *bitrate = ((MP2T_PCR_CLOCK * bits_passed) / pcr_delta); if (*bitrate == 0) { |