diff options
| -rw-r--r-- | tap.c | 20 |
1 files changed, 4 insertions, 16 deletions
@@ -747,31 +747,19 @@ redo: return -ECONNRESET; } - while (n > 0) { - ssize_t len; - - /* Force receiving at least a complete length descriptor to - * avoid an inconsistent stream. - */ - if (n < (ssize_t)sizeof(uint32_t)) { - rem = recv(c->fd_tap, p + n, - (ssize_t)sizeof(uint32_t) - n, 0); - if ((n += rem) != (ssize_t)sizeof(uint32_t)) - return -EIO; - } - - len = ntohl(*(uint32_t *)p); + while (n > (ssize_t)sizeof(uint32_t)) { + ssize_t len = ntohl(*(uint32_t *)p); p += sizeof(uint32_t); n -= sizeof(uint32_t); /* At most one packet might not fit in a single read, and this - * also needs to be blocking. + * needs to be blocking. */ if (len > n) { rem = recv(c->fd_tap, p + n, len - n, 0); if ((n += rem) != len) - return -EIO; + return 0; } /* Complete the partial read above before discarding a malformed |