[U-Boot] [PATCH 1/1] efi_loader: correct text conversion for vendor DP

[U-Boot] [PATCH 1/1] efi_loader: correct text conversion for vendor DP

[Heinrich Schuchardt]

Vendor device paths may contain data. When converting vendor device paths
to text this binary data has to be rendered.

UEFI SCT, 2017, 5.4.7.1.3

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 lib/efi_loader/efi_device_path_to_text.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/efi_loader/efi_device_path_to_text.c b/lib/efi_loader/efi_device_path_to_text.c
index 96fd08971b..133542ad40 100644
--- a/lib/efi_loader/efi_device_path_to_text.c
+++ b/lib/efi_loader/efi_device_path_to_text.c
@@ -60,9 +60,18 @@ static char *dp_hardware(char *s, struct efi_device_path *dp)
 		break;
 	}
 	case DEVICE_PATH_SUB_TYPE_VENDOR: {
+		int i, n;
 		struct efi_device_path_vendor *vdp =
 			(struct efi_device_path_vendor *)dp;
-		s += sprintf(s, "VenHw(%pUl)", &vdp->guid);
+
+		s += sprintf(s, "VenHw(%pUl", &vdp->guid);
+		n = (int)vdp->dp.length - sizeof(struct efi_device_path_vendor);
+		if (n > 0) {
+			s += sprintf(s, ",");
+			for (i = 0; i < n; ++i)
+				s += sprintf(s, "%02x", vdp->vendor_data[i]);
+		}
+		s += sprintf(s, ")");
 		break;
 	}
 	default:
--
2.23.0.rc1