forked from Minki/linux
tools/usb: remove last USBFS user
In commit fb28d58b
("USB: remove CONFIG_USB_DEVICEFS") USBFS got
removed. Since it is gone we can stop using it in testusb and try udev
nodes right away.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
0837e7e527
commit
8a424bf40d
@ -253,9 +253,6 @@ static int find_testdev(const char *name, const struct stat *sb, int flag)
|
||||
|
||||
if (flag != FTW_F)
|
||||
return 0;
|
||||
/* ignore /proc/bus/usb/{devices,drivers} */
|
||||
if (strrchr(name, '/')[1] == 'd')
|
||||
return 0;
|
||||
|
||||
fd = fopen(name, "rb");
|
||||
if (!fd) {
|
||||
@ -356,28 +353,8 @@ restart:
|
||||
|
||||
static const char *usbfs_dir_find(void)
|
||||
{
|
||||
static char usbfs_path_0[] = "/dev/usb/devices";
|
||||
static char usbfs_path_1[] = "/proc/bus/usb/devices";
|
||||
static char udev_usb_path[] = "/dev/bus/usb";
|
||||
|
||||
static char *const usbfs_paths[] = {
|
||||
usbfs_path_0, usbfs_path_1
|
||||
};
|
||||
|
||||
static char *const *
|
||||
end = usbfs_paths + sizeof usbfs_paths / sizeof *usbfs_paths;
|
||||
|
||||
char *const *it = usbfs_paths;
|
||||
do {
|
||||
int fd = open(*it, O_RDONLY);
|
||||
close(fd);
|
||||
if (fd >= 0) {
|
||||
strrchr(*it, '/')[0] = '\0';
|
||||
return *it;
|
||||
}
|
||||
} while (++it != end);
|
||||
|
||||
/* real device-nodes managed by udev */
|
||||
if (access(udev_usb_path, F_OK) == 0)
|
||||
return udev_usb_path;
|
||||
|
||||
@ -489,7 +466,7 @@ usage:
|
||||
goto usage;
|
||||
if (!all && !device) {
|
||||
fprintf (stderr, "must specify '-a' or '-D dev', "
|
||||
"or DEVICE=/proc/bus/usb/BBB/DDD in env\n");
|
||||
"or DEVICE=/dev/bus/usb/BBB/DDD in env\n");
|
||||
goto usage;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user