fixup

dgraph-io · Jan 14, 2020 · c9ed8f2 · c9ed8f2
1 parent 4127cea
commit c9ed8f2
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/table/table.go b/table/table.go
@@ -317,13 +317,13 @@ func (t *Table) readNoFail(off, sz int) []byte {
 func (t *Table) readIndex() error {
 	readPos := t.tableSize
 
-	if readPos <= 0 {
-		return errors.New("readPos less than zero. Data corrupted")
-	}
 	// Read checksum len from the last 4 bytes.
 	readPos -= 4
 	buf := t.readNoFail(readPos, 4)
 	checksumLen := int(y.BytesToU32(buf))
+	if checksumLen < 0 {
+		return errors.New("checksum length less than zero. Data corrupted")
+	}
 
 	// Read checksum.
 	expectedChk := &pb.Checksum{}