diff options
Diffstat (limited to 'sys/nfsclient/nfs_node.c')
-rw-r--r-- | sys/nfsclient/nfs_node.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/nfsclient/nfs_node.c b/sys/nfsclient/nfs_node.c index f7cd396..be3155c 100644 --- a/sys/nfsclient/nfs_node.c +++ b/sys/nfsclient/nfs_node.c @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * @(#)nfs_node.c 8.2 (Berkeley) 12/30/93 - * $Id: nfs_node.c,v 1.11 1995/07/22 03:32:18 davidg Exp $ + * $Id: nfs_node.c,v 1.12 1995/10/29 15:32:50 phk Exp $ */ #include <sys/param.h> @@ -138,6 +138,13 @@ loop: goto loop; } nfs_node_hash_lock = 1; + + /* + * Do the MALLOC before the getnewvnode since doing so afterward + * might cause a bogus v_data pointer to get dereferenced + * elsewhere if MALLOC should block. + */ + MALLOC(np, struct nfsnode *, sizeof *np, M_NFSNODE, M_WAITOK); error = getnewvnode(VT_NFS, mntp, nfsv2_vnodeop_p, &nvp); if (error) { @@ -145,10 +152,10 @@ loop: wakeup(&nfs_node_hash_lock); nfs_node_hash_lock = 0; *npp = 0; + FREE(np, M_NFSNODE); return (error); } vp = nvp; - MALLOC(np, struct nfsnode *, sizeof *np, M_NFSNODE, M_WAITOK); bzero((caddr_t)np, sizeof *np); vp->v_data = np; np->n_vnode = vp; |