diff options
Diffstat (limited to 'main/udptl.c')
| -rw-r--r-- | main/udptl.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/main/udptl.c b/main/udptl.c index 52f7c99f2..9c64d06d4 100644 --- a/main/udptl.c +++ b/main/udptl.c @@ -176,15 +176,15 @@ static inline int udptl_debug_test_addr(struct sockaddr_in *addr) static int decode_length(uint8_t *buf, int limit, int *len, int *pvalue) { + if (*len >= limit) + return -1; if ((buf[*len] & 0x80) == 0) { - if (*len >= limit) - return -1; *pvalue = buf[*len]; (*len)++; return 0; } if ((buf[*len] & 0x40) == 0) { - if (*len >= limit - 1) + if (*len == limit - 1) return -1; *pvalue = (buf[*len] & 0x3F) << 8; (*len)++; @@ -192,8 +192,6 @@ static int decode_length(uint8_t *buf, int limit, int *len, int *pvalue) (*len)++; return 0; } - if (*len >= limit) - return -1; *pvalue = (buf[*len] & 0x3F) << 14; (*len)++; /* Indicate we have a fragment */ |