kexec-save-default: fix primary handle once more. Can't wait we get r…

…id of this... file must exist and not be empty, and hash output to console must not be silenced

Signed-off-by: Thierry Laurion <insurgo@riseup.net>

initrd/bin/kexec-save-default

@@ -277,14 +277,13 @@ if [ ! -d $paramsdir ]; then
 fi
 
 if [ "$CONFIG_TPM2_TOOLS" = "y" ]; then
-	if [ -f /tmp/secret/primary.handle ]; then
+	if [ -s /tmp/secret/primary.handle ]; then
 		DEBUG "Hashing TPM2 primary key handle..."
-		sha256sum /tmp/secret/primary.handle >"$PRIMHASH_FILE" 2>/dev/null ||
+		sha256sum /tmp/secret/primary.handle > "$PRIMHASH_FILE" ||
 			die "ERROR: Failed to Hash TPM2 primary key handle!"
 		DEBUG "TPM2 primary key handle hash saved to $PRIMHASH_FILE"
-		DEBUG "Hash content: $(cat $PRIMHASH_FILE)"
 	else
-		die "ERROR: TPM2 primary key handle file does not exist!"
+		die "ERROR: TPM2 primary key handle file does not exist or is empty!"
 	fi
 fi