Filestore: Prevent server crash when DataPtr.PosInfo is not set.

License: MIT Signed-off-by: Kevin Atkinson <[email protected]>
ipfs · Jun 3, 2016 · fd077d3 · fd077d3
1 parent 2fe38b3
commit fd077d3
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/filestore/support/misc.go b/filestore/support/misc.go
@@ -1,6 +1,7 @@
 package filestore_support
 
 import (
+	"errors"
 	//ds "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/ipfs/go-datastore"
 	"github.com/ipfs/go-ipfs/blocks"
 	"github.com/ipfs/go-ipfs/commands/files"
@@ -25,7 +26,9 @@ func (NodeToBlock) CreateBlock(nd *merkledag.Node) (blocks.Block, error) {
 	if nd.DataPtr == nil {
 		return b0, nil
 	}
-
+	if nd.DataPtr.PosInfo == nil || nd.DataPtr.PosInfo.Stat == nil {
+		return nil, errors.New("no file information for block")
+	}
 	b := &FilestoreBlock{
 		BasicBlock: *b0,
 		PosInfo:    nd.DataPtr.PosInfo,