diff options
Diffstat (limited to 'drivers/tty/vt')
| -rw-r--r-- | drivers/tty/vt/selection.c | 13 | ||||
| -rw-r--r-- | drivers/tty/vt/vt.c | 3 | ||||
| -rw-r--r-- | drivers/tty/vt/vt_ioctl.c | 2 |
3 files changed, 14 insertions, 4 deletions
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c index 564341f1a74f..791e2f1f7c0b 100644 --- a/drivers/tty/vt/selection.c +++ b/drivers/tty/vt/selection.c @@ -192,6 +192,19 @@ int set_selection_user(const struct tiocl_selection __user *sel, if (copy_from_user(&v, sel, sizeof(*sel))) return -EFAULT; + /* + * TIOCL_SELCLEAR and TIOCL_SELPOINTER are OK to use without + * CAP_SYS_ADMIN as they do not modify the selection. + */ + switch (v.sel_mode) { + case TIOCL_SELCLEAR: + case TIOCL_SELPOINTER: + break; + default: + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + } + return set_selection_kernel(&v, tty); } diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 96842ce817af..5b09ce71345b 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -3345,8 +3345,6 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) switch (type) { case TIOCL_SETSEL: - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; return set_selection_user(param, tty); case TIOCL_PASTESEL: if (!capable(CAP_SYS_ADMIN)) @@ -4568,6 +4566,7 @@ void do_unblank_screen(int leaving_gfx) set_palette(vc); set_cursor(vc); vt_event_post(VT_EVENT_UNBLANK, vc->vc_num, vc->vc_num); + notify_update(vc); } EXPORT_SYMBOL(do_unblank_screen); diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 4b91072f3a4e..1f2bdd2e1cc5 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -1103,8 +1103,6 @@ long vt_compat_ioctl(struct tty_struct *tty, case VT_WAITACTIVE: case VT_RELDISP: case VT_DISALLOCATE: - case VT_RESIZE: - case VT_RESIZEX: return vt_ioctl(tty, cmd, arg); /* |