[PATCH] knfsd: nfsd: make exp_rootfh handle exp_parent errors

[safe/jmp/linux-2.6] / fs / nfsd / export.c

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index f37df46..0747bb5 100644 (file)
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -1104,6 +1104,10 @@ 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;