// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <errno.h> #include "sysfs_utils.h" #include "usbip_common.h" int write_sysfs_attribute(const char *attr_path, const char *new_value, size_t len) { int fd; int length; fd = open(attr_path, O_WRONLY); if (fd < 0) { dbg("error opening attribute %s", attr_path); return -1; } length = write(fd, new_value, len); if (length < 0) { dbg("error writing to attribute %s", attr_path); close(fd); return -1; } close(fd); return 0; } |