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diff --git a/usr.sbin/efivar/efivar.c b/usr.sbin/efivar/efivar.c
--- a/usr.sbin/efivar/efivar.c
+++ b/usr.sbin/efivar/efivar.c
@@ -118,15 +118,24 @@
static void
breakdown_name(char *name, efi_guid_t *guid, char **vname)
{
- char *cp;
-
- cp = strrchr(name, '-');
- if (cp == NULL)
- rep_errx(1, "Invalid name: %s", name);
- *vname = cp + 1;
- *cp = '\0';
- if (efi_name_to_guid(name, guid) < 0)
- rep_errx(1, "Invalid guid %s", name);
+ char *cp, *ocp;
+
+ ocp = NULL;
+ while (true) {
+ cp = strrchr(name, '-');
+ if (cp == NULL) {
+ if (ocp != NULL)
+ *ocp = '-';
+ rep_errx(1, "Invalid guid in: %s", name);
+ }
+ if (ocp != NULL)
+ *ocp = '-';
+ *vname = cp + 1;
+ *cp = '\0';
+ ocp = cp;
+ if (efi_name_to_guid(name, guid) >= 0)
+ break;
+ }
}
static uint8_t *

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