markers: don't risk NULL deref in marker
[cascardo/linux.git] / fs / nfsd / nfsproc.c
index b2c7147..6cfc96a 100644 (file)
@@ -41,7 +41,7 @@ static __be32
 nfsd_return_attrs(__be32 err, struct nfsd_attrstat *resp)
 {
        if (err) return err;
-       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_mnt,
+       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
                                    resp->fh.fh_dentry,
                                    &resp->stat));
 }
@@ -49,7 +49,7 @@ static __be32
 nfsd_return_dirop(__be32 err, struct nfsd_diropres *resp)
 {
        if (err) return err;
-       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_mnt,
+       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
                                    resp->fh.fh_dentry,
                                    &resp->stat));
 }
@@ -164,7 +164,7 @@ nfsd_proc_read(struct svc_rqst *rqstp, struct nfsd_readargs *argp,
                                  &resp->count);
 
        if (nfserr) return nfserr;
-       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_mnt,
+       return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
                                    resp->fh.fh_dentry,
                                    &resp->stat));
 }
@@ -278,7 +278,8 @@ nfsd_proc_create(struct svc_rqst *rqstp, struct nfsd_createargs *argp,
                                         *   echo thing > device-special-file-or-pipe
                                         * by doing a CREATE with type==0
                                         */
-                                       nfserr = nfsd_permission(newfhp->fh_export,
+                                       nfserr = nfsd_permission(rqstp,
+                                                                newfhp->fh_export,
                                                                 newfhp->fh_dentry,
                                                                 MAY_WRITE|MAY_LOCAL_ACCESS);
                                        if (nfserr && nfserr != nfserr_rofs)