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