IB/hfi1: Add missing error code assignment before test

It is likely that checking the result of 'setup_ctxt' is expected here.
Signed-off-by: NChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/file_ops.c

@@ -222,7 +222,7 @@ static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
 		ret = assign_ctxt(fp, &uinfo);
 		if (ret < 0)
 			return ret;
-		setup_ctxt(fp);
+		ret = setup_ctxt(fp);
 		if (ret)
 			return ret;
 		ret = user_init(fp);