packets: do not call function on nulled value

go-sql-driver · Oct 6, 2017 · f2ca957 · f2ca957
1 parent a8b7ed4
commit f2ca957
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packets.go b/packets.go
@@ -1143,10 +1143,11 @@ func (rows *binaryRows) readRow(dest []driver.Value) error {
 			}
 			return io.EOF
 		}
+		mc := rows.mc
 		rows.mc = nil
 
 		// Error otherwise
-		return rows.mc.handleErrorPacket(data)
+		return mc.handleErrorPacket(data)
 	}
 
 	// NULL-bitmap,  [(column-count + 7 + 2) / 8 bytes]