From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- tools/usb/usbip/src/utils.c | 55 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 tools/usb/usbip/src/utils.c (limited to 'tools/usb/usbip/src/utils.c') diff --git a/tools/usb/usbip/src/utils.c b/tools/usb/usbip/src/utils.c new file mode 100644 index 000000000..3d7b42e77 --- /dev/null +++ b/tools/usb/usbip/src/utils.c @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2011 matt mooney + * 2005-2007 Takahiro Hirofuchi + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include +#include + +#include "usbip_common.h" +#include "utils.h" +#include "sysfs_utils.h" + +int modify_match_busid(char *busid, int add) +{ + char attr_name[] = "match_busid"; + char command[SYSFS_BUS_ID_SIZE + 4]; + char match_busid_attr_path[SYSFS_PATH_MAX]; + int rc; + int cmd_size; + + snprintf(match_busid_attr_path, sizeof(match_busid_attr_path), + "%s/%s/%s/%s/%s/%s", SYSFS_MNT_PATH, SYSFS_BUS_NAME, + SYSFS_BUS_TYPE, SYSFS_DRIVERS_NAME, USBIP_HOST_DRV_NAME, + attr_name); + + if (add) + cmd_size = snprintf(command, SYSFS_BUS_ID_SIZE + 4, "add %s", + busid); + else + cmd_size = snprintf(command, SYSFS_BUS_ID_SIZE + 4, "del %s", + busid); + + rc = write_sysfs_attribute(match_busid_attr_path, command, + cmd_size); + if (rc < 0) { + dbg("failed to write match_busid: %s", strerror(errno)); + return -1; + } + + return 0; +} -- cgit v1.2.3