From b948ba030ca3b49a79b1e77a87229438209e422c Mon Sep 17 00:00:00 2001
From: Romain Forlot <romain.forlot@iot.bzh>
Date: Thu, 2 Mar 2017 22:33:38 +0100
Subject: Reserve new space to data_ can_message_t member only if the new
 incoming can frame if bigger than the old one.

Change-Id: I39634cc0d01b300ea471b358e13d704b8eff351c
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
---
 src/can-message.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/can-message.cpp b/src/can-message.cpp
index 5a3e2c2..63f8a90 100644
--- a/src/can-message.cpp
+++ b/src/can-message.cpp
@@ -182,7 +182,8 @@ void can_message_t::convert_from_canfd_frame(const std::pair<struct canfd_frame&
 	if(maxdlen_ == CANFD_MAX_DLEN)
 		set_flags(frame.flags);
 
-	data_.reserve(maxdlen_);
+	if ( data_.capacity() < maxdlen_)
+		data_.reserve(maxdlen_);
 	set_data(frame.data);
 
 	DEBUG(binder_interface, "convert_from_canfd_frame: Found id: %X, format: %X, length: %X, data %02X%02X%02X%02X%02X%02X%02X%02X", id_, format_, length_,
-- 
cgit 1.2.3-korg