diff options
| author | Henning Brauer <henning@cvs.openbsd.org> | 2004-11-09 13:45:04 +0000 |
|---|---|---|
| committer | Henning Brauer <henning@cvs.openbsd.org> | 2004-11-09 13:45:04 +0000 |
| commit | a4b48b0fb9c11c1db08cfd4ecbc9bbc97af33635 (patch) | |
| tree | f2ad4e9ee1f57f8ddcac7ad8ee508642b5732425 /sys/net | |
| parent | 47db0f7b2d3819322b8d8427de20961346cd590b (diff) | |
use NULL instead of 0 for poiter comparisions,
from "Alexey E. Suslikov" <cruel@texnika.com.ua> with a little help from itojun
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/if_tun.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c index 7f9b8217d39..6af659de21a 100644 --- a/sys/net/if_tun.c +++ b/sys/net/if_tun.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_tun.c,v 1.61 2004/07/16 15:01:09 henning Exp $ */ +/* $OpenBSD: if_tun.c,v 1.62 2004/11/09 13:45:03 henning Exp $ */ /* $NetBSD: if_tun.c,v 1.24 1996/05/07 02:40:48 thorpej Exp $ */ /* @@ -789,7 +789,7 @@ tunread(dev, uio, ioflag) return (error); } IFQ_DEQUEUE(&ifp->if_snd, m0); - if (m0 == 0) { + if (m0 == NULL) { if (tp->tun_flags & TUN_NBIO && ioflag & IO_NDELAY) { splx(s); return EWOULDBLOCK; @@ -801,10 +801,10 @@ tunread(dev, uio, ioflag) return (error); } } - } while (m0 == 0); + } while (m0 == NULL); splx(s); - while (m0 && uio->uio_resid > 0 && error == 0) { + while (m0 != NULL && uio->uio_resid > 0 && error == 0) { len = min(uio->uio_resid, m0->m_len); if (len != 0) error = uiomove(mtod(m0, caddr_t), len, uio); @@ -812,7 +812,7 @@ tunread(dev, uio, ioflag) m0 = m; } - if (m0) { + if (m0 != NULL) { TUNDEBUG(("Dropping mbuf\n")); m_freem(m0); } @@ -858,7 +858,7 @@ tunwrite(dev, uio, ioflag) return ENOBUFS; mlen = MHLEN; - top = 0; + top = NULL; mp = ⊤ if (tp->tun_flags & TUN_LAYER2) { /* @@ -875,7 +875,7 @@ tunwrite(dev, uio, ioflag) mp = &m->m_next; if (error == 0 && uio->uio_resid > 0) { MGET (m, M_DONTWAIT, MT_DATA); - if (m == 0) { + if (m == NULL) { error = ENOBUFS; break; } @@ -883,8 +883,8 @@ tunwrite(dev, uio, ioflag) } } if (error) { - if (top) - m_freem (top); + if (top != NULL) + m_freem(top); ifp->if_ierrors++; return error; } |