1 files changed, 23 insertions, 10 deletions

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index f37df46d2eaa..248dd92e6a56 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -787,15 +787,20 @@ exp_get_by_name(svc_client *clp, struct vfsmount *mnt, struct dentry *dentry,
         key.ex_dentry = dentry;
 
         exp = svc_export_lookup(&key);
-        if (exp != NULL) 
-                switch (cache_check(&svc_export_cache, &exp->h, reqp)) {
+        if (exp != NULL)  {
+                int err;
+
+                err = cache_check(&svc_export_cache, &exp->h, reqp);
+                switch (err) {
                 case 0: break;
                 case -EAGAIN:
-                        exp = ERR_PTR(-EAGAIN);
+                case -ETIMEDOUT:
+                        exp = ERR_PTR(err);
                         break;
                 default:
                         exp = NULL;
                 }
+        }
 
         return exp;
 }
@@ -950,6 +955,8 @@ exp_export(struct nfsctl_export *nxp)
 
         exp = exp_get_by_name(clp, nd.mnt, nd.dentry, NULL);
 
+        memset(&new, 0, sizeof(new));
+
         /* must make sure there won't be an ex_fsid clash */
         if ((nxp->ex_flags & NFSEXP_FSID) &&
             (fsid_key = exp_get_fsid_key(clp, nxp->ex_dev)) &&
@@ -980,6 +987,9 @@ exp_export(struct nfsctl_export *nxp)
 
         new.h.expiry_time = NEVER;
         new.h.flags = 0;
+        new.ex_path = kstrdup(nxp->ex_path, GFP_KERNEL);
+        if (!new.ex_path)
+                goto finish;
         new.ex_client = clp;
         new.ex_mnt = nd.mnt;
         new.ex_dentry = nd.dentry;
@@ -1000,10 +1010,11 @@ exp_export(struct nfsctl_export *nxp)
                 /* failed to create at least one index */
                 exp_do_unexport(exp);
                 cache_flush();
-                err = -ENOMEM;
-        }
-
+        } else
+                err = 0;
 finish:
+        if (new.ex_path)
+                kfree(new.ex_path);
         if (exp)
                 exp_put(exp);
         if (fsid_key && !IS_ERR(fsid_key))
@@ -1104,6 +1115,10 @@ exp_rootfh(svc_client *clp, char *path, struct knfsd_fh *f, int maxsize)
                  path, nd.dentry, clp->name,
                  inode->i_sb->s_id, inode->i_ino);
         exp = exp_parent(clp, nd.mnt, nd.dentry, NULL);
+        if (IS_ERR(exp)) {
+                err = PTR_ERR(exp);
+                goto out;
+        }
         if (!exp) {
                 dprintk("nfsd: exp_rootfh export not found.\n");
                 goto out;
@@ -1159,12 +1174,10 @@ exp_pseudoroot(struct auth_domain *clp, struct svc_fh *fhp,
         mk_fsid_v1(fsidv, 0);
 
         exp = exp_find(clp, 1, fsidv, creq);
-        if (IS_ERR(exp) && PTR_ERR(exp) == -EAGAIN)
-                return nfserr_dropit;
+        if (IS_ERR(exp))
+                return nfserrno(PTR_ERR(exp));
         if (exp == NULL)
                 return nfserr_perm;
-        else if (IS_ERR(exp))
-                return nfserrno(PTR_ERR(exp));
         rv = fh_compose(fhp, exp, exp->ex_dentry, NULL);
         exp_put(exp);
         return rv;