fix cdev leak on O_PATH final fput()
__fput doesn't need a cdev_put() for O_PATH handles. Signed-off-by: mszeredi@suse.cz Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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1 changed files with 3 additions and 1 deletions
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@ -246,8 +246,10 @@ static void __fput(struct file *file)
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file->f_op->release(inode, file);
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security_file_free(file);
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ima_file_free(file);
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if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL))
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if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL &&
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!(file->f_mode & FMODE_PATH))) {
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cdev_put(inode->i_cdev);
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}
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fops_put(file->f_op);
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put_pid(file->f_owner.pid);
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file_sb_list_del(file);
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