diff options
Diffstat (limited to 'sys/net/if_tun.c')
| -rw-r--r-- | sys/net/if_tun.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c index 68cef88..e67a8ad 100644 --- a/sys/net/if_tun.c +++ b/sys/net/if_tun.c @@ -669,15 +669,14 @@ tunread(dev_t dev, struct uio *uio, int flag) while (m0 && uio->uio_resid > 0 && error == 0) { len = min(uio->uio_resid, m0->m_len); - if (len == 0) - break; - error = uiomove(mtod(m0, caddr_t), len, uio); + if (len != 0) + error = uiomove(mtod(m0, caddr_t), len, uio); MFREE(m0, m); m0 = m; } if (m0) { - TUNDEBUG("Dropping mbuf\n"); + TUNDEBUG("%s%d: Dropping mbuf\n", ifp->if_name, ifp->if_unit); m_freem(m0); } return error; |
