selinux: opened file can't have NULL or negative ->f_path.dentry

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-01-23 16:24:16 -05:00
parent d895cb1af1
commit 45e09bd51b

View file

@ -3135,11 +3135,6 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd,
switch (cmd) {
case F_SETFL:
if (!file->f_path.dentry || !file->f_path.dentry->d_inode) {
err = -EINVAL;
break;
}
if ((file->f_flags & O_APPEND) && !(arg & O_APPEND)) {
err = file_has_perm(cred, file, FILE__WRITE);
break;
@ -3162,10 +3157,6 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd,
case F_SETLK64:
case F_SETLKW64:
#endif
if (!file->f_path.dentry || !file->f_path.dentry->d_inode) {
err = -EINVAL;
break;
}
err = file_has_perm(cred, file, FILE__LOCK);
break;
}