diff options
Diffstat (limited to 'drivers/tty/vt')
| -rw-r--r-- | drivers/tty/vt/consolemap.c | 2 | ||||
| -rw-r--r-- | drivers/tty/vt/keyboard.c | 3 | ||||
| -rw-r--r-- | drivers/tty/vt/selection.c | 4 | ||||
| -rw-r--r-- | drivers/tty/vt/vc_screen.c | 1 | ||||
| -rw-r--r-- | drivers/tty/vt/vt.c | 8 |
5 files changed, 12 insertions, 6 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; diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c index 3761ccf..a605549 100644 --- a/drivers/tty/vt/keyboard.c +++ b/drivers/tty/vt/keyboard.c @@ -33,7 +33,6 @@ #include <linux/string.h> #include <linux/init.h> #include <linux/slab.h> -#include <linux/irq.h> #include <linux/kbd_kern.h> #include <linux/kbd_diacr.h> @@ -43,6 +42,8 @@ #include <linux/notifier.h> #include <linux/jiffies.h> +#include <asm/irq_regs.h> + extern void ctrl_alt_del(void); /* diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c index fb864e7..7a0a12a 100644 --- a/drivers/tty/vt/selection.c +++ b/drivers/tty/vt/selection.c @@ -301,6 +301,8 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t /* Insert the contents of the selection buffer into the * queue of the tty associated with the current console. * Invoked by ioctl(). + * + * Locking: always called with BTM from vt_ioctl */ int paste_selection(struct tty_struct *tty) { @@ -310,8 +312,6 @@ int paste_selection(struct tty_struct *tty) struct tty_ldisc *ld; DECLARE_WAITQUEUE(wait, current); - /* always called with BTM from vt_ioctl */ - WARN_ON(!tty_locked()); console_lock(); poke_blanked_console(); diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c index ab23201..fd89c42 100644 --- a/drivers/tty/vt/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c @@ -22,6 +22,7 @@ #include <linux/kernel.h> #include <linux/major.h> #include <linux/errno.h> +#include <linux/export.h> #include <linux/tty.h> #include <linux/interrupt.h> #include <linux/mm.h> diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index e41288a..c51803f 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -259,7 +259,7 @@ EXPORT_SYMBOL_GPL(unregister_vt_notifier); static void notify_write(struct vc_data *vc, unsigned int unicode) { - struct vt_notifier_param param = { .vc = vc, unicode = unicode }; + struct vt_notifier_param param = { .vc = vc, .c = unicode }; atomic_notifier_call_chain(&vt_notifier_list, VT_WRITE, ¶m); } @@ -499,6 +499,7 @@ void invert_screen(struct vc_data *vc, int offset, int count, int viewed) #endif if (DO_UPDATE(vc)) do_update_region(vc, (unsigned long) p, count); + notify_update(vc); } /* used by selection: complement pointer position */ @@ -515,6 +516,7 @@ void complement_pos(struct vc_data *vc, int offset) scr_writew(old, screenpos(vc, old_offset, 1)); if (DO_UPDATE(vc)) vc->vc_sw->con_putc(vc, old, oldy, oldx); + notify_update(vc); } old_offset = offset; @@ -532,8 +534,8 @@ void complement_pos(struct vc_data *vc, int offset) oldy = (offset >> 1) / vc->vc_cols; vc->vc_sw->con_putc(vc, new, oldy, oldx); } + notify_update(vc); } - } static void insert_char(struct vc_data *vc, unsigned int nr) @@ -657,7 +659,7 @@ static inline void save_screen(struct vc_data *vc) * Redrawing of screen */ -static void clear_buffer_attributes(struct vc_data *vc) +void clear_buffer_attributes(struct vc_data *vc) { unsigned short *p = (unsigned short *)vc->vc_origin; int count = vc->vc_screenbuf_size / 2; |