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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>
This commit is contained in:
Miklos Szeredi 2011-03-16 18:17:54 +01:00 committed by Al Viro
parent bab1d9444d
commit 60ed8cf78f
1 changed files with 3 additions and 1 deletions
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4
fs/file_table.c
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@ -246,8 +246,10 @@ static void __fput(struct file *file)
file->f_op->release(inode, file);
security_file_free(file);
ima_file_free(file);
if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL))
if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL &&
!(file->f_mode & FMODE_PATH))) {
cdev_put(inode->i_cdev);
}
fops_put(file->f_op);
put_pid(file->f_owner.pid);
file_sb_list_del(file);