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From:   Wang Shilong <wangshilong1991@gmail.com>
To:     linux-ext4@vger.kernel.org
Cc:     lixi@ddn.com, adilger@dilger.ca, sihara@ddn.com,
        Wang Shilong <wshilong@ddn.com>
Subject: [RFC PATCH 07/46] e2fsck: add assert when copying context
Date:   Wed,  8 Apr 2020 19:44:35 +0900
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From: Li Xi <lixi@ddn.com>

Adding the assert would simplify the copying of context.

Signed-off-by: Li Xi <lixi@ddn.com>
Signed-off-by: Wang Shilong <wshilong@ddn.com>
---
 e2fsck/pass1.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/e2fsck/pass1.c b/e2fsck/pass1.c
index 599c69aa..2fafeb38 100644
--- a/e2fsck/pass1.c
+++ b/e2fsck/pass1.c
@@ -46,6 +46,7 @@
 #ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
+#include <assert.h>
 
 #include "e2fsck.h"
 #include <ext2fs/ext2_ext_attr.h>
@@ -2157,6 +2158,18 @@ static errcode_t e2fsck_pass1_thread_prepare(e2fsck_t global_ctx, e2fsck_t *thre
 	ext2_filsys	thread_fs;
 	ext2_filsys	global_fs = global_ctx->fs;
 
+	assert(global_ctx->inode_used_map == NULL);
+	assert(global_ctx->inode_dir_map == NULL);
+	assert(global_ctx->inode_bb_map == NULL);
+	assert(global_ctx->inode_imagic_map == NULL);
+	assert(global_ctx->inode_reg_map == NULL);
+	assert(global_ctx->inodes_to_rebuild == NULL);
+
+	assert(global_ctx->block_found_map == NULL);
+	assert(global_ctx->block_dup_map == NULL);
+	assert(global_ctx->block_ea_map == NULL);
+	assert(global_ctx->block_metadata_map == NULL);
+
 	retval = ext2fs_get_mem(sizeof(struct e2fsck_struct), &thread_context);
 	if (retval) {
 		com_err(global_ctx->program_name, retval, "while allocating memory");
-- 
2.25.2