if (IS_IMMUTABLE(inode))
goto dput_and_out;
- if (current->fsuid != inode->i_uid &&
- (error = vfs_permission(&nd, MAY_WRITE)) != 0)
- goto dput_and_out;
+ if (current->fsuid != inode->i_uid) {
+ if (f) {
+ if (!(f->f_mode & FMODE_WRITE))
+ goto dput_and_out;
+ } else {
+ error = vfs_permission(&nd, MAY_WRITE);
+ if (error)
+ goto dput_and_out;
+ }
+ }
}
mutex_lock(&inode->i_mutex);
error = notify_change(dentry, &newattrs);