[PATCH 1/4 - adjusted changelog] HID: picolcd: fix deferred_io init/cleanup to (un)register_framebuffer ordering

Bruno Prémont
2010-06-30T20:37:13Z

Adjust ordering if framebuffer (un)registration and defio init/cleanup
to match the correct order (init defio, register FB ... unregister FB,
cleanup defio)

Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
---
I consider Jaya's reply as an ack to the patch.

drivers/hid/hid-picolcd.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 95253b3..883d720 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -707,18 +707,19 @@ static int picolcd_init_framebuffer(struct picolcd_data *data)
dev_err(dev, "failed to create sysfs attributes\n");
goto err_cleanup;
}
+ fb_deferred_io_init(info);
data->fb_info = info;
error = register_framebuffer(info);
if (error) {
dev_err(dev, "failed to register framebuffer\n");
goto err_sysfs;
}
- fb_deferred_io_init(info);
/* schedule first output of framebuffer */
schedule_delayed_work(&info->deferred_work, 0);
return 0;

err_sysfs:
+ fb_deferred_io_cleanup(info);
device_remove_file(dev, &dev_attr_fb_update_rate);
err_cleanup:
data->fb_vbitmap = NULL;
@@ -747,7 +748,6 @@ static void picolcd_exit_framebuffer(struct picolcd_data *data)
data->fb_bpp = 0;
data->fb_info = NULL;
device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate);
- fb_deferred_io_cleanup(info);
unregister_framebuffer(info);
vfree(fb_bitmap);
kfree(fb_vbitmap);
--
1.7.1