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Fix vnode lock leak in nfsrv_mknod() if to-be-created vnode already existed.

This commit is contained in:
sommerfe 1999-05-04 16:01:37 +00:00
parent c0d15c5c7c
commit 623d43160b
1 changed files with 12 additions and 3 deletions
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15
sys/nfs/nfs_serv.c
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@ -1,4 +1,4 @@
/* $NetBSD: nfs_serv.c,v 1.50 1999/03/30 12:01:18 mycroft Exp $ */ /* $NetBSD: nfs_serv.c,v 1.51 1999/05/04 16:01:37 sommerfe Exp $ */
/* /*
* Copyright (c) 1989, 1993 * Copyright (c) 1989, 1993
@ -1570,7 +1570,12 @@ nfsrv_mknod(nfsd, slp, procp, mrq)
free((caddr_t)nd.ni_cnd.cn_pnbuf, M_NAMEI); free((caddr_t)nd.ni_cnd.cn_pnbuf, M_NAMEI);
error = NFSERR_BADTYPE; error = NFSERR_BADTYPE;
VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd); VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
vput(nd.ni_dvp); if (nd.ni_dvp == nd.ni_vp)
vrele(nd.ni_dvp);
else
vput(nd.ni_dvp);
if (nd.ni_vp)
vput(nd.ni_vp);
goto out; goto out;
} }
VATTR_NULL(&va); VATTR_NULL(&va);
@ -1590,7 +1595,11 @@ nfsrv_mknod(nfsd, slp, procp, mrq)
free((caddr_t)nd.ni_cnd.cn_pnbuf, M_NAMEI); free((caddr_t)nd.ni_cnd.cn_pnbuf, M_NAMEI);
error = EEXIST; error = EEXIST;
VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd); VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
vput(nd.ni_dvp); if (nd.ni_dvp == nd.ni_vp)
vrele(nd.ni_dvp);
else
vput(nd.ni_dvp);
vput(nd.ni_vp);
goto out; goto out;
} }
va.va_type = vtyp; va.va_type = vtyp;