Merge "net: rmnet_usb: Add debug support for MRU update" (bca7553a) · Commits · e / devices / android_kernel_xiaomi_nabu

net/rmnet_usb/rmnet_usb.c

+10 −5

Original line number	Diff line number	Diff line
		/* Copyright (c) 2011-2014, 2018-2019, The Linux Foundation. All rights reserved.
		/* Copyright (c) 2011-2014, 2018-2020, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -115,13 +115,18 @@ static int rmnet_ioctl_extended(struct net_device dev, struct ifreq ifr)

		switch (ext_cmd.extended_ioctl) {
		case RMNET_IOCTL_SET_MRU:
		if (test_bit(EVENT_DEV_OPEN, &unet->flags))
		dev_info(&unet->intf->dev, "MRU change request to 0x%x\n",
		ext_cmd.u.data);
		if (test_bit(EVENT_DEV_OPEN, &unet->flags)) {
		dev_err(&unet->intf->dev,
		"MRU change request failed, device already open\n");
		return -EBUSY;
		}
		/* 16K max */
		if ((size_t)ext_cmd.u.data > 0x4000)
		if ((size_t)ext_cmd.u.data > 0x4000) {
		dev_err(&unet->intf->dev, "MRU above 16k disallowed\n");
		return -EINVAL;
		dev_dbg(&unet->intf->dev, "MRU change request to 0x%x\n",
		ext_cmd.u.data);
		}
		unet->rx_urb_size = (size_t)ext_cmd.u.data;
		break;
		case RMNET_IOCTL_GET_MRU: