From: Timo Sirainen <tss@iki.fi>
Date: Sat, 25 Oct 2014 22:00:36 +0000 (+0300)
Subject: lib: If i_stream_seek() works by reading forward and read() fails, don't override... 
X-Git-Tag: 2.2.16.rc1~286
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b80c329a25b5b07f5e68cd44ef0fef9db6613486;p=thirdparty%2Fdovecot%2Fcore.git

lib: If i_stream_seek() works by reading forward and read() fails, don't override the error message.
---

diff --git a/src/lib/istream.c b/src/lib/istream.c
index bcf59a300f..ea205b5dd2 100644
--- a/src/lib/istream.c
+++ b/src/lib/istream.c
@@ -749,6 +749,10 @@ void i_stream_default_seek_nonseekable(struct istream_private *stream,
 
 		available = stream->pos - stream->skip;
 		if (available == 0) {
+			if (stream->istream.stream_errno != 0) {
+				/* read failed */
+				return;
+			}
 			io_stream_set_error(&stream->iostream,
 				"Can't seek to offset %"PRIuUOFF_T
 				", because we have data only up to offset %"