From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Wed, 1 Jun 2016 15:03:58 +0000 (+0300)
Subject: lib: istream-chain didn't update its max_buffer_size
X-Git-Tag: 2.3.0.rc1~3593
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7be8ba0c0;p=thirdparty%2Fdovecot%2Fcore.git

lib: istream-chain didn't update its max_buffer_size

I had this code at some point earlier, but looks like it got lost from the
final commit.
---

diff --git a/src/lib/istream-chain.c b/src/lib/istream-chain.c
index ddf0f566c8..6880f8d00e 100644
--- a/src/lib/istream-chain.c
+++ b/src/lib/istream-chain.c
@@ -51,6 +51,11 @@ i_stream_chain_append_internal(struct istream_chain *chain,
 		if (cstream->have_explicit_max_buffer_size) {
 			i_stream_set_max_buffer_size(stream,
 				chain->stream->istream.max_buffer_size);
+		} else {
+			size_t max_size = i_stream_get_max_buffer_size(stream);
+
+			if (cstream->istream.max_buffer_size < max_size)
+				cstream->istream.max_buffer_size = max_size;
 		}
 	}
 	DLLIST2_APPEND(&chain->head, &chain->tail, link);