diff options
Diffstat (limited to 'drivers/char/vt.c')
| -rw-r--r-- | drivers/char/vt.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c index d9113b4c76e..404f4c1ee43 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -89,6 +89,7 @@ #include <linux/mutex.h> #include <linux/vt_kern.h> #include <linux/selection.h> +#include <linux/smp_lock.h> #include <linux/tiocl.h> #include <linux/kbd_kern.h> #include <linux/consolemap.h> @@ -769,14 +770,12 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */ visual_init(vc, currcons, 1); if (!*vc->vc_uni_pagedir_loc) con_set_default_unimap(vc); - if (!vc->vc_kmalloced) - vc->vc_screenbuf = kmalloc(vc->vc_screenbuf_size, GFP_KERNEL); + vc->vc_screenbuf = kmalloc(vc->vc_screenbuf_size, GFP_KERNEL); if (!vc->vc_screenbuf) { kfree(vc); vc_cons[currcons].d = NULL; return -ENOMEM; } - vc->vc_kmalloced = 1; vc_init(vc, vc->vc_rows, vc->vc_cols, 1); vcs_make_sysfs(currcons); atomic_notifier_call_chain(&vt_notifier_list, VT_ALLOCATE, ¶m); @@ -912,10 +911,8 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, if (new_scr_end > new_origin) scr_memsetw((void *)new_origin, vc->vc_video_erase_char, new_scr_end - new_origin); - if (vc->vc_kmalloced) - kfree(vc->vc_screenbuf); + kfree(vc->vc_screenbuf); vc->vc_screenbuf = newscreen; - vc->vc_kmalloced = 1; vc->vc_screenbuf_size = new_screen_size; set_origin(vc); @@ -994,8 +991,7 @@ void vc_deallocate(unsigned int currcons) vc->vc_sw->con_deinit(vc); put_pid(vc->vt_pid); module_put(vc->vc_sw->owner); - if (vc->vc_kmalloced) - kfree(vc->vc_screenbuf); + kfree(vc->vc_screenbuf); if (currcons >= MIN_NR_CONSOLES) kfree(vc); vc_cons[currcons].d = NULL; @@ -2880,7 +2876,6 @@ static int __init con_init(void) INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK); visual_init(vc, currcons, 1); vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_NOWAIT); - vc->vc_kmalloced = 0; vc_init(vc, vc->vc_rows, vc->vc_cols, currcons || !vc->vc_sw->con_save_screen); } |