提交 e55186fe 编写于 作者: A Antonino A. Daplas 提交者: Linus Torvalds

[PATCH] Detaching fbcon: clean up exit code

To detach fbcon, it must also clean up all resources it allocated.  This was
never done before because fbcon cannot be unloaded.
Signed-off-by: NAntonino Daplas <adaplas@pol.net>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 9a179176
......@@ -3112,6 +3112,49 @@ static void __exit fbcon_deinit_class_device(void)
static void __exit fbcon_exit(void)
{
struct fb_info *info;
int i, j, mapped;
for (i = 0; i < FB_MAX; i++) {
info = registered_fb[i];
if (info && info->fbcon_par)
fbcon_del_cursor_timer(info);
}
#ifdef CONFIG_ATARI
free_irq(IRQ_AUTO_4, fbcon_vbl_handler);
#endif
#ifdef CONFIG_MAC
if (MACH_IS_MAC && vbl_detected)
free_irq(IRQ_MAC_VBL, fbcon_vbl_handler);
#endif
kfree((void *)softback_buf);
for (i = 0; i < FB_MAX; i++) {
mapped = 0;
info = registered_fb[i];
if (info == NULL)
continue;
for (j = 0; j < MAX_NR_CONSOLES; j++) {
if (con2fb_map[j] == i) {
con2fb_map[j] = -1;
mapped = 1;
}
}
if (mapped) {
if (info->fbops->fb_release)
info->fbops->fb_release(info, 0);
module_put(info->fbops->owner);
kfree(info->fbcon_par);
info->fbcon_par = NULL;
}
}
fbcon_deinit_class_device();
class_device_destroy(fb_class, MKDEV(FB_MAJOR, FB_MAX));
}
......
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