diff options
| -rw-r--r-- | tap.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -321,7 +321,9 @@ static size_t tap_send_frames_pasta(const struct ctx *c, size_t i; for (i = 0; i < n; i++) { - if (write(c->fd_tap, iov[i].iov_base, iov[i].iov_len) < 0) { + ssize_t rc = write(c->fd_tap, iov[i].iov_base, iov[i].iov_len); + + if (rc < 0) { debug("tap write: %s", strerror(errno)); switch (errno) { @@ -336,6 +338,10 @@ static size_t tap_send_frames_pasta(const struct ctx *c, default: die("Write error on tap device, exiting"); } + } else if ((size_t)rc < iov[i].iov_len) { + debug("short write on tuntap: %zd/%zu", + rc, iov[i].iov_len); + break; } } |