From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- tools/usb/usbip/src/utils.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 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..76a2e1247 --- /dev/null +++ b/tools/usb/usbip/src/utils.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2011 matt mooney + * 2005-2007 Takahiro Hirofuchi + */ + +#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