dovecot-2.2: lib: If i_stream_seek() works by reading forward an...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/503b4b1b7aa1
changeset: 18020:503b4b1b7aa1
user:      Timo Sirainen <tss at iki.fi>
date:      Sun Oct 26 01:00:36 2014 +0300
description:
lib: If i_stream_seek() works by reading forward and read() fails, don't override the error message.

diffstat:

 src/lib/istream.c |  4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diffs (14 lines):

diff -r d35288713625 -r 503b4b1b7aa1 src/lib/istream.c
--- a/src/lib/istream.c	Sun Oct 26 00:08:05 2014 +0300
+++ b/src/lib/istream.c	Sun Oct 26 01:00:36 2014 +0300
@@ -749,6 +749,10 @@
 
 		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 %"