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Btrfs: fix memory leak in start_transaction()
This patch fixes memory leak of the transaction handle which happened when starting transaction failed on a freezed fs. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
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1 changed files with 3 additions and 1 deletions
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@ -351,8 +351,10 @@ static struct btrfs_trans_handle *start_transaction(struct btrfs_root *root,
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*/
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if (type != TRANS_JOIN_NOLOCK &&
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!__sb_start_write(root->fs_info->sb, SB_FREEZE_FS, false)) {
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if (type == TRANS_JOIN_FREEZE)
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if (type == TRANS_JOIN_FREEZE) {
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kmem_cache_free(btrfs_trans_handle_cachep, h);
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return ERR_PTR(-EPERM);
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}
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sb_start_intwrite(root->fs_info->sb);
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}
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