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isofs: release zisofs block pointer buffer head

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zisofs_fill_pages() reads the compressed block pointer table.  The error
paths release the current buffer_head, the loop also releases the old
buffer_head when it advances. However, the success path leaves the last
buffer_head referenced. Release it before returning success.

Fixes: 59bc055211 ("zisofs: Implement reading of compressed files when PAGE_CACHE_SIZE > compress block size")
Signed-off-by: Yichong Chen <chenyichong@uniontech.com>
Link: https://patch.msgid.link/20260721091152.1450622-1-chenyichong@uniontech.com
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Yichong Chen 2026-07-21 17:11:52 +08:00 committed by Jan Kara
parent d95094d4c0
commit 2f7dd9b86f
1 changed files with 1 additions and 0 deletions
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fs/isofs/compress.c
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@ -293,6 +293,7 @@ static int zisofs_fill_pages(struct inode *inode, int full_page, int pcount,
memzero_page(*pages, poffset, PAGE_SIZE - poffset);
SetPageUptodate(*pages);
}
brelse(bh);
return 0;
}