diff options
Diffstat (limited to 'drivers/tty/vt/consolemap.c')
-rw-r--r-- | drivers/tty/vt/consolemap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c index f343808..fb95acc 100644 --- a/drivers/tty/vt/consolemap.c +++ b/drivers/tty/vt/consolemap.c @@ -518,6 +518,8 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) /* Save original vc_unipagdir_loc in case we allocate a new one */ p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc; + if (!p) + return -EINVAL; if (p->readonly) return -EIO; if (!ct) return 0; |