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USB: testusb: add path /dev/bus/usb to default search paths for usbfs

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As real device-nodes managed by udev whose nodes lived in /dev/bus/usb
are mostly used today, let testusb tool use that directory as one default
path make tool be more convenient to use.

Signed-off-by: Du Changbin <changbinx.du@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Du, ChangbinX 2012-05-15 01:49:25 +00:00 committed by Greg Kroah-Hartman
parent 1996e6c572
commit f6fe916ed0
1 changed files with 5 additions and 0 deletions
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5
tools/usb/testusb.c
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@ -358,6 +358,7 @@ static const char *usbfs_dir_find(void)
{ {
static char usbfs_path_0[] = "/dev/usb/devices"; static char usbfs_path_0[] = "/dev/usb/devices";
static char usbfs_path_1[] = "/proc/bus/usb/devices"; static char usbfs_path_1[] = "/proc/bus/usb/devices";
static char udev_usb_path[] = "/dev/bus/usb";
static char *const usbfs_paths[] = { static char *const usbfs_paths[] = {
usbfs_path_0, usbfs_path_1 usbfs_path_0, usbfs_path_1
@ -376,6 +377,10 @@ static const char *usbfs_dir_find(void)
} }
} while (++it != end); } while (++it != end);
/* real device-nodes managed by udev */
if (access(udev_usb_path, F_OK) == 0)
return udev_usb_path;
return NULL; return NULL;
} }