[coreboot-gerrit] New patch to review for coreboot: intel/gma/vbt.c: pad the ID string with spaces.

[Arthur Heymans (arthur@aheymans.xyz)]

Arthur Heymans (arthur at aheymans.xyz) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16739

-gerrit

commit 3e68463212005aab57b062fac7666d4a39799d56
Author: Arthur Heymans <arthur at aheymans.xyz>
Date:   Sun Sep 25 22:36:26 2016 +0200

    intel/gma/vbt.c: pad the ID string with spaces.
    
    The VBT id string is 20 characters long.
    If the string is shorter than 20 it needs spaces at the end.
    
    Change-Id: Id6439f1d3dbd09319ee99ce9d15dbc3bcead1f53
    Signed-off-by: Arthur Heymans <arthur at aheymans.xyz>
---
 src/drivers/intel/gma/vbt.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/drivers/intel/gma/vbt.c b/src/drivers/intel/gma/vbt.c
index e768402..097f511 100644
--- a/src/drivers/intel/gma/vbt.c
+++ b/src/drivers/intel/gma/vbt.c
@@ -25,16 +25,18 @@
 #include "intel_bios.h"
 
 static size_t generate_vbt(const struct i915_gpu_controller_info *conf,
-		    void *vbt, const char *idstr)
+		    void *vbt, const char *idstr_in)
 {
 	struct vbt_header *head = vbt;
 	struct bdb_header *bdb_head;
 	struct bdb_general_features *genfeat;
 	u8 *ptr;
+	char idstr[20];
 
 	memset (head, 0, sizeof (*head));
+	memset(idstr, ' ', sizeof(idstr));
 
-	memcpy (head->signature, idstr, 20);
+	memcpy(head->signature, strncpy(idstr, idstr_in, 20), 20);
 	head->version = 100;
 	head->header_size = sizeof (*head);
 	head->bdb_offset = sizeof (*head);