imapclient: fix fetchLiteralReader deadlock

qjebbs · web-flow · commit 0e52f4e9a4d3 · 2025-09-18T14:15:26.000+02:00
Closes: #710
diff --git a/imapclient/fetch.go b/imapclient/fetch.go
@@ -1318,7 +1318,7 @@ type fetchLiteralReader struct {
 
 func (lit *fetchLiteralReader) Read(b []byte) (int, error) {
 	n, err := lit.LiteralReader.Read(b)
-	if err == io.EOF && lit.ch != nil {
+	if err != nil && lit.ch != nil {
 		close(lit.ch)
 		lit.ch = nil
 	}

Original file line number	Diff line number	Diff line change
`@@ -1318,7 +1318,7 @@ type fetchLiteralReader struct {`
`1318`	`1318`
`1319`	`1319`	`func (lit *fetchLiteralReader) Read(b []byte) (int, error) {`
`1320`	`1320`	`n, err := lit.LiteralReader.Read(b)`
`1321`		`- if err == io.EOF && lit.ch != nil {`
	`1321`	`+ if err != nil && lit.ch != nil {`
`1322`	`1322`	`close(lit.ch)`
`1323`	`1323`	`lit.ch = nil`
`1324`	`1324`	`}`