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usb: chipidea: ci_hdrc_imx: add missing put_device() call in usbmisc_get_init_data() 

commit 83a43ff80a upstream.

if of_find_device_by_node() succeed, usbmisc_get_init_data() doesn't have
a corresponding put_device(). Thus add put_device() to fix the exception
handling for this function implementation.

Fixes: ef12da914e ("usb: chipidea: imx: properly check for usbmisc")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201117011430.642589-1-yukuai3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Yu Kuai 2020-11-17 09:14:30 +08:00 committed by Greg Kroah-Hartman
parent a37a0667e1
commit ea472d8391
1 changed files with 5 additions and 1 deletions
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6
drivers/usb/chipidea/ci_hdrc_imx.c
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@ -139,9 +139,13 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
misc_pdev = of_find_device_by_node(args.np);
of_node_put(args.np);
if (!misc_pdev || !platform_get_drvdata(misc_pdev))
if (!misc_pdev)
return ERR_PTR(-EPROBE_DEFER);
if (!platform_get_drvdata(misc_pdev)) {
put_device(&misc_pdev->dev);
return ERR_PTR(-EPROBE_DEFER);
}
data->dev = &misc_pdev->dev;
/*