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btrfs: don't BUG_ON allocation errors in btrfs_drop_snapshot
In addition to properly handling allocation failure from btrfs_alloc_path, I also fixed up the kzalloc error handling code immediately below it. Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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92b8e897f6
commit
38a1a91953
1 changed files with 6 additions and 2 deletions
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@ -6272,10 +6272,14 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
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int level;
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path = btrfs_alloc_path();
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BUG_ON(!path);
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if (!path)
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return -ENOMEM;
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wc = kzalloc(sizeof(*wc), GFP_NOFS);
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BUG_ON(!wc);
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if (!wc) {
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btrfs_free_path(path);
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return -ENOMEM;
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}
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trans = btrfs_start_transaction(tree_root, 0);
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BUG_ON(IS_ERR(trans));
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