Change in coreboot[4.11_branch]: drivers/ipmi: Fix buffer double-free

[Werner Zeh (Code Review)]

Werner Zeh has submitted this change. ( https://review.coreboot.org/c/coreboot/+/55768 )

Change subject: drivers/ipmi: Fix buffer double-free
......................................................................

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 
Original-Found-by: Coverity CID 1419481, 1419485
Original-Reviewed-on: https://review.coreboot.org/c/coreboot/+/39378
Original-Tested-by: build bot (Jenkins) 
Original-Reviewed-by: Paul Menzel 
Original-Reviewed-by: Patrick Rudolph 
Original-Reviewed-by: Angel Pons 
(cherry picked from commit f8cd291344f2a8b8ecc90cfb7bb5ca864dcc9441)

Change-Id: I4947ba4578b5a41a30e487f5572412cb6ed79a1b
Signed-off-by: Marc Jones 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55768
Reviewed-by: Martin Roth 
Reviewed-by: Jay Talbott 
Tested-by: build bot (Jenkins) 
---
M src/drivers/ipmi/ipmi_fru.c
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Martin Roth: Looks good to me, approved
  Jay Talbott: Looks good to me, but someone else must approve

diff --git a/src/drivers/ipmi/ipmi_fru.c b/src/drivers/ipmi/ipmi_fru.c
index 8be53f8..43ee6b3 100644
--- a/src/drivers/ipmi/ipmi_fru.c
+++ b/src/drivers/ipmi/ipmi_fru.c
@@ -319,7 +319,7 @@
    			goto out;
    		}
    	if (!data2str((const uint8_t *)data_ptr, info->asset_tag, length))
-			free(info->serial_number);
+			free(info->asset_tag);
    }

out: