commit 4a062b38f25cc43661f462ffffeb99456b98a64e
from: Jonathan Rudenberg <jonathan@titanous.com>
via: Jeff Lindsay <progrium@gmail.com>
date: Wed Jun 21 00:56:40 2017 UTC

Fix EOF indication from Readdir

EOF is indicated by a zero-length result with no error, so ensure
that io.EOF does not ever get returned by Readdir.Read.

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>

commit - f2ad3c4d4632f2eaecafaf60f3b0e3358209072d
commit + 4a062b38f25cc43661f462ffffeb99456b98a64e
blob - 1f0419c579d73a6f4af29792367ac0848ee3c57d
blob + 23756c2d9ecadb41aeb0af2d621c1af389682ea4
--- readdir.go
+++ readdir.go
@@ -82,9 +82,9 @@ func (rd *Readdir) Read(ctx context.Context, p []byte,
 	}
 
 done:
-	if err == io.EOF && len(p) > 0 {
-		// Don't let io.EOF escape if we've written to p. 9p doesn't handle
-		// this like Go.
+	if err == io.EOF {
+		// Don't let io.EOF escape. EOF is indicated by a zero-length result
+		// with no error.
 		err = nil
 	}