Revert "kernel: deny all unexpected signature block"

This reverts commit 869cd50.

kernel/apk_sign.c

@@ -241,28 +241,19 @@ static __always_inline bool check_v2_signature(char *path,
 		offset = 4;
 		if (id == 0x7109871au) {
 			v2_signing_blocks++;
-			if (v2_signing_blocks > 1) {
-				pr_info("Unexpected v2 signature count: %d\n",
-					v2_signing_blocks);
-				v2_signing_valid = false;
-				goto clean;
-			}
 			v2_signing_valid =
 				check_block(fp, &size4, &pos, &offset,
 					    expected_size, expected_sha256);
 		} else if (id == 0xf05368c0u) {
 			// http://aospxref.com/android-14.0.0_r2/xref/frameworks/base/core/java/android/util/apk/ApkSignatureSchemeV3Verifier.java#73
 			v3_signing_exist = true;
-			pr_warn("Unexpected V3 sigauture exist!\n");
-			goto clean;
 		} else if (id == 0x1b93ad61u) {
 			// http://aospxref.com/android-14.0.0_r2/xref/frameworks/base/core/java/android/util/apk/ApkSignatureSchemeV3Verifier.java#74
 			v3_1_signing_exist = true;
-			pr_warn("Unexpected V3_1 sigauture exist!\n");
-			goto clean;
 		} else {
-			pr_info("Unknown singature block id: 0x%08x\n", id);
-			goto clean;
+#ifdef CONFIG_KSU_DEBUG
+			pr_info("Unknown id: 0x%08x\n", id);
+#endif
 		}
 		pos += (size8 - offset);
 	}
@@ -315,8 +306,8 @@ static struct kernel_param_ops expected_size_ops = {
 	.get = param_get_uint,
 };
 
-module_param_cb(ksu_debug_manager_uid, &expected_size_ops,
-		&ksu_debug_manager_uid, S_IRUSR | S_IWUSR);
+module_param_cb(ksu_debug_manager_uid, &expected_size_ops, &ksu_debug_manager_uid,
+		S_IRUSR | S_IWUSR);
 
 #endif