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SubjectRe: [PATCH 3/5] vt: use copy_to_user instead of __put_user in GIO_UNIMAP ioctl
> @@ -775,13 +775,11 @@ int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct uni
> }
> }
> console_unlock();
> - for (i = min(ect, ct), plist = unilist; i; i--, list++, plist++) {
> - __put_user(plist->unicode, &list->unicode);
> - __put_user(plist->fontpos, &list->fontpos);
> - }
> - __put_user(ect, uct);
> + if (copy_to_user(list, unilist, min(ect, ct) * sizeof(struct unipair)))
> + ret = -EFAULT;
> + put_user(ect, uct);
> kfree(unilist);
> - return ((ect <= ct) ? 0 : -ENOMEM);
> + return ret ? ret : (ect <= ct) ? 0 : -ENOMEM;
> }


The rest looks good but that line needs taking out and shooting.

Alan

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