[Intel-gfx] [PATCH 2/4] drm/i915/bios: fix format string of the VBT signature logging

[Jani Nikula]

Specify the maximum number of letters to print from the potentially
unterminated buffer, not the minimum. While at it, use sizeof instead of
a magic number.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/intel_bios.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index dc3a0fb1946c..4c9304e92ff5 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1326,8 +1326,8 @@ intel_bios_init(struct drm_device *dev)
 
 	bdb = get_bdb_header(vbt);
 
-	DRM_DEBUG_KMS("VBT signature \"%20s\", BDB version %d\n",
-		      vbt->signature, bdb->version);
+	DRM_DEBUG_KMS("VBT signature \"%.*s\", BDB version %d\n",
+		      (int)sizeof(vbt->signature), vbt->signature, bdb->version);
 
 	/* Grab useful general definitions */
 	parse_general_features(dev_priv, bdb);
-- 
2.1.4