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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344// SPDX-License-Identifier: GPL-2.0-or-later/* * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> * 2005-2007 Takahiro Hirofuchi */
#include <errno.h>#include <stdio.h>#include <string.h>
#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;}