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path: root/src/drivers/intel/gma/vbt.c
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Diffstat (limited to 'src/drivers/intel/gma/vbt.c')
-rw-r--r--src/drivers/intel/gma/vbt.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/drivers/intel/gma/vbt.c b/src/drivers/intel/gma/vbt.c
index e768402b04..9ec09d313c 100644
--- a/src/drivers/intel/gma/vbt.c
+++ b/src/drivers/intel/gma/vbt.c
@@ -34,7 +34,9 @@ static size_t generate_vbt(const struct i915_gpu_controller_info *conf,
memset (head, 0, sizeof (*head));
- memcpy (head->signature, idstr, 20);
+ memset(head->signature, ' ', sizeof(head->signature));
+ memcpy(head->signature, idstr, MIN(strlen(idstr),
+ sizeof(head->signature)));
head->version = 100;
head->header_size = sizeof (*head);
head->bdb_offset = sizeof (*head);