ext4: Limit number of links that can be created by ext4_link()
In ext4_link we need to check using EXT4_LINK_MAX, and not EXT4_DIR_LINK_MAX(), since ext4_link() is creating hard links of regular files, and not directories. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>hifive-unleashed-5.1
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2c94eb86c6
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b05ab1dc37
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@ -2318,7 +2318,7 @@ static int ext4_link(struct dentry *old_dentry,
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struct inode *inode = old_dentry->d_inode;
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struct inode *inode = old_dentry->d_inode;
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int err, retries = 0;
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int err, retries = 0;
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if (EXT4_DIR_LINK_MAX(inode))
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if (inode->i_nlink >= EXT4_LINK_MAX)
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return -EMLINK;
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return -EMLINK;
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/*
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/*
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