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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-12-07 16:35:17 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-12-07 16:35:17 -0500 |
| commit | 21b4e736922f546e0f1aa7b9d6c442f309a2444a (patch) | |
| tree | e1be8645297f8ebe87445251743ebcc52081a20d /drivers/char/vt.c | |
| parent | 34161db6b14d984fb9b06c735b7b42f8803f6851 (diff) | |
| parent | 68380b581383c028830f79ec2670f4a193854aa6 (diff) | |
| download | op-kernel-dev-21b4e736922f546e0f1aa7b9d6c442f309a2444a.zip op-kernel-dev-21b4e736922f546e0f1aa7b9d6c442f309a2444a.tar.gz | |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus
Diffstat (limited to 'drivers/char/vt.c')
| -rw-r--r-- | drivers/char/vt.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 75ff028..a8239da 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -152,7 +152,7 @@ static void gotoxy(struct vc_data *vc, int new_x, int new_y); static void save_cur(struct vc_data *vc); static void reset_terminal(struct vc_data *vc, int do_clear); static void con_flush_chars(struct tty_struct *tty); -static void set_vesa_blanking(char __user *p); +static int set_vesa_blanking(char __user *p); static void set_cursor(struct vc_data *vc); static void hide_cursor(struct vc_data *vc); static void console_callback(struct work_struct *ignored); @@ -2369,7 +2369,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) ret = __put_user(data, p); break; case TIOCL_SETVESABLANK: - set_vesa_blanking(p); + ret = set_vesa_blanking(p); break; case TIOCL_GETKMSGREDIRECT: data = kmsg_redirect; @@ -3313,11 +3313,15 @@ postcore_initcall(vtconsole_class_init); * Screen blanking */ -static void set_vesa_blanking(char __user *p) +static int set_vesa_blanking(char __user *p) { - unsigned int mode; - get_user(mode, p + 1); - vesa_blank_mode = (mode < 4) ? mode : 0; + unsigned int mode; + + if (get_user(mode, p + 1)) + return -EFAULT; + + vesa_blank_mode = (mode < 4) ? mode : 0; + return 0; } void do_blank_screen(int entering_gfx) |
