[Skiboot] [PATCH] [console] Fix possible buffer overflow

[Ananth N Mavinakayanahalli]

NULL terminate and truncate size of copy into char buffer to the right size.

Signed-off-by: Ananth N Mavinakayanahalli <ananth at in.ibm.com>
---
 hw/fsp/fsp-console.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/fsp/fsp-console.c b/hw/fsp/fsp-console.c
index c1195f2..2a25e1c 100644
--- a/hw/fsp/fsp-console.c
+++ b/hw/fsp/fsp-console.c
@@ -511,7 +511,8 @@ static void fsp_serial_add(int index, u16 rsrc_id, const char *loc_code,
 	}
 
 	ser->rsrc_id = rsrc_id;
-	strncpy(ser->loc_code, loc_code, LOC_CODE_SIZE);
+	memset(ser->loc_code, 0x00, LOC_CODE_SIZE);
+	strncpy(ser->loc_code, loc_code, LOC_CODE_SIZE - 1);
 	ser->available = true;
 	ser->log_port = log_port;
 	unlock(&fsp_con_lock);