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usb: gadget: configfs: Check USB configuration before adding
Ensure that the USB gadget is able to support the configuration being added based on the number of endpoints required from all interfaces. This is for accounting for any bandwidth or space limitations. Signed-off-by: Wesley Cheng <wcheng@codeaurora.org> Link: https://lore.kernel.org/r/1625908395-5498-3-git-send-email-wcheng@codeaurora.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1404,6 +1404,10 @@ static int configfs_composite_bind(struct usb_gadget *gadget,
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goto err_purge_funcs;
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}
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}
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ret = usb_gadget_check_config(cdev->gadget);
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if (ret)
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goto err_purge_funcs;
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usb_ep_autoconfig_reset(cdev->gadget);
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}
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if (cdev->use_os_string) {
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