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auxdisplay: ht16k33: do not try to free fbdev

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'fbdev' is allocated as part of larger ht16k33_priv structure; trying to
free it will cause troubles.

Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Torokhov 2017-02-09 10:15:51 -08:00 committed by Greg Kroah-Hartman
parent 372b1e9134
commit bbd39d1e4a
1 changed files with 1 additions and 3 deletions
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4
drivers/auxdisplay/ht16k33.c
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@ -378,7 +378,7 @@ static int ht16k33_probe(struct i2c_client *client,
fbdev->buffer = (unsigned char *) get_zeroed_page(GFP_KERNEL);
if (!fbdev->buffer) {
err = -ENOMEM;
goto err_free_fbdev;
goto err_destroy_wq;
}
fbdev->cache = devm_kmalloc(&client->dev, HT16K33_FB_SIZE, GFP_KERNEL);
@ -510,8 +510,6 @@ err_fbdev_info:
framebuffer_release(fbdev->info);
err_fbdev_buffer:
free_page((unsigned long) fbdev->buffer);
err_free_fbdev:
kfree(fbdev);
err_destroy_wq:
destroy_workqueue(priv->workqueue);