diff options
Diffstat (limited to 'sys/miscfs/nullfs/null_subr.c')
| -rw-r--r-- | sys/miscfs/nullfs/null_subr.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/sys/miscfs/nullfs/null_subr.c b/sys/miscfs/nullfs/null_subr.c index 5541fb3..8d18ffd 100644 --- a/sys/miscfs/nullfs/null_subr.c +++ b/sys/miscfs/nullfs/null_subr.c @@ -35,7 +35,7 @@ * * @(#)null_subr.c 8.4 (Berkeley) 1/21/94 * - * $Id: lofs_subr.c,v 1.11 1992/05/30 10:05:43 jsp Exp jsp $ + * $Id: null_subr.c,v 1.2 1994/05/25 09:08:00 rgrimes Exp $ */ #include <sys/param.h> @@ -153,7 +153,8 @@ null_node_alloc(mp, lowervp, vpp) struct vnode *othervp, *vp; int error; - if (error = getnewvnode(VT_NULL, mp, null_vnodeop_p, vpp)) + error = getnewvnode(VT_NULL, mp, null_vnodeop_p, vpp); + if (error) return (error); vp = *vpp; @@ -167,7 +168,8 @@ null_node_alloc(mp, lowervp, vpp) * check to see if someone else has beaten us to it. * (We could have slept in MALLOC.) */ - if (othervp = null_node_find(lowervp)) { + othervp = null_node_find(lowervp); + if (othervp) { FREE(xp, M_TEMP); vp->v_type = VBAD; /* node is discarded */ vp->v_usecount = 0; /* XXX */ @@ -194,7 +196,8 @@ null_node_create(mp, lowervp, newvpp) { struct vnode *aliasvp; - if (aliasvp = null_node_find(mp, lowervp)) { + aliasvp = null_node_find(mp, lowervp); + if (aliasvp) { /* * null_node_find has taken another reference * to the alias vnode. @@ -216,7 +219,8 @@ null_node_create(mp, lowervp, newvpp) /* * Make new vnode reference the null_node. */ - if (error = null_node_alloc(mp, lowervp, &aliasvp)) + error = null_node_alloc(mp, lowervp, &aliasvp); + if (error) return error; /* @@ -229,8 +233,8 @@ null_node_create(mp, lowervp, newvpp) #ifdef DIAGNOSTIC if (lowervp->v_usecount < 1) { /* Should never happen... */ - vprint ("null_node_create: alias "); - vprint ("null_node_create: lower "); + vprint ("null_node_create: alias ",aliasvp); + vprint ("null_node_create: lower ",lowervp); printf ("null_node_create: lower has 0 usecount.\n"); panic ("null_node_create: lower has 0 usecount."); }; |
