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-rw-r--r--lib/sqfs/block_processor/common.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/sqfs/block_processor/common.c b/lib/sqfs/block_processor/common.c
index bfcc3d5..b40ec0f 100644
--- a/lib/sqfs/block_processor/common.c
+++ b/lib/sqfs/block_processor/common.c
@@ -144,12 +144,17 @@ static int process_block(sqfs_block_t *block, sqfs_compressor_t *cmp,
}
}
- if (is_zero_block(block->data, block->size)) {
+ if (!(block->flags & SQFS_BLK_IGNORE_SPARSE) &&
+ is_zero_block(block->data, block->size)) {
block->flags |= SQFS_BLK_IS_SPARSE;
return 0;
}
- block->checksum = xxh32(block->data, block->size);
+ if (block->flags & SQFS_BLK_DONT_HASH) {
+ block->checksum = 0;
+ } else {
+ block->checksum = xxh32(block->data, block->size);
+ }
if (block->flags & (SQFS_BLK_IS_FRAGMENT | SQFS_BLK_DONT_COMPRESS))
return 0;