From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Mon, 28 Aug 2023 09:29:14 +0000 (+0300)
Subject: lib: buffer - Ensure error is kept when istream read fails
X-Git-Tag: 2.4.0~2610
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf6bf06cd510c6745c268f02dbaa753380b6053b;p=thirdparty%2Fdovecot%2Fcore.git

lib: buffer - Ensure error is kept when istream read fails

Broken in 0429b4aaf581494ea89e61fd249ddc919e4f88fc
---

diff --git a/src/lib/buffer-istream.c b/src/lib/buffer-istream.c
index 3898fd0cd5..3f070d8e38 100644
--- a/src/lib/buffer-istream.c
+++ b/src/lib/buffer-istream.c
@@ -28,7 +28,7 @@ buffer_append_full_istream(buffer_t *buf, struct istream *is, size_t max_read_si
 	i_assert(is->eof);
 
 	if (is->stream_errno != 0) {
-		*error_r = i_stream_get_error(is);
+		*error_r = t_strdup(i_stream_get_error(is));
 		return BUFFER_APPEND_READ_ERROR;
 	}
 	return BUFFER_APPEND_OK;