Files
Linux_Drivers/linux_5.10/tools/usb/usbip/libsrc/sysfs_utils.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

33 lines
562 B
C

// 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;
}