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f2fs: fix a potential out of range issue

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Fix a potential out of range issue introduced by commit:
22fb72225a
f2fs: simplify write_orphan_inodes for better readable

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Gu Zheng 2013-11-26 16:44:16 +08:00 committed by Jaegeuk Kim
parent 0e80220ac5
commit 3679556794
1 changed files with 2 additions and 2 deletions
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4
fs/f2fs/checkpoint.c
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@ -323,9 +323,9 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
memset(orphan_blk, 0, sizeof(*orphan_blk));
}
orphan_blk->ino[nentries] = cpu_to_le32(orphan->ino);
orphan_blk->ino[nentries++] = cpu_to_le32(orphan->ino);
if (nentries++ == F2FS_ORPHANS_PER_BLOCK) {
if (nentries == F2FS_ORPHANS_PER_BLOCK) {
/*
* an orphan block is full of 1020 entries,
* then we need to flush current orphan blocks