1 files changed, 8 insertions, 4 deletions
diff --git a/camel/camel-stream-filter.c b/camel/camel-stream-filter.c
index 866c8d2416..1189262ddc 100644
--- a/camel/camel-stream-filter.c
+++ b/camel/camel-stream-filter.c
@@ -269,6 +269,7 @@ do_write (CamelStream *stream, const char *buf, size_t n)
 	CamelStreamFilter *filter = (CamelStreamFilter *)stream;
 	struct _CamelStreamFilterPrivate *p = _PRIVATE(filter);
 	struct _filter *f;
+	ssize_t w, written = 0;
 	int presize;
 	char *buffer = (char *)buf;
 	size_t len = n;
@@ -291,10 +292,13 @@ do_write (CamelStream *stream, const char *buf, size_t n)
 
 		f = f->next;
 	}
-
-	if (camel_stream_write(filter->source, buffer, len) != len)
-		return -1;
-
+	
+	do {
+		w = camel_stream_write (filter->source, buffer + written, len - written);
+		if (w > 0)
+			written += w;
+	} while (written < len);
+	
 	return n;
 }