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/libsrc/sysfs_utils.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 tools/usb/usbip/libsrc/sysfs_utils.c (limited to 'tools/usb/usbip/libsrc/sysfs_utils.c') diff --git a/tools/usb/usbip/libsrc/sysfs_utils.c b/tools/usb/usbip/libsrc/sysfs_utils.c new file mode 100644 index 000000000..14d5e67d3 --- /dev/null +++ b/tools/usb/usbip/libsrc/sysfs_utils.c @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include +#include + +#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; +} -- cgit v1.2.3