From e7a126fbc276df57dc1d05c4a40a259f2e5d06d7 Mon Sep 17 00:00:00 2001
From: Jacob Garber <jgarber1@ualberta.ca>
Date: Sat, 7 Mar 2020 14:55:35 -0700
Subject: [PATCH] drivers/ipmi: Fix buffer double-free

If reading the data for the asset_tag fails, that buffer should be
freed, not the one for serial_number.

Original-Change-Id: I2ecaf7fd0f23f2fb5a6aa0961c7e17fff04847f4
Original-Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Original-Found-by: Coverity CID 1419481, 1419485
Original-Reviewed-on: https://review.coreboot.org/c/coreboot/+/39378
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Original-Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Original-Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Original-Reviewed-by: Angel Pons <th3fanbus@gmail.com>
(cherry picked from commit f8cd291344f2a8b8ecc90cfb7bb5ca864dcc9441)

Change-Id: I4947ba4578b5a41a30e487f5572412cb6ed79a1b
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55768
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Jay Talbott <JayTalbott@sysproconsulting.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/drivers/ipmi/ipmi_fru.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/drivers/ipmi/ipmi_fru.c b/src/drivers/ipmi/ipmi_fru.c
index 8be53f8e0a..43ee6b3a35 100644
--- a/src/drivers/ipmi/ipmi_fru.c
+++ b/src/drivers/ipmi/ipmi_fru.c
@@ -319,7 +319,7 @@ static void read_fru_product_info_area(const int port, const uint8_t id,
 				goto out;
 			}
 		if (!data2str((const uint8_t *)data_ptr, info->asset_tag, length))
-			free(info->serial_number);
+			free(info->asset_tag);
 	}
 
 out: