[PATCH] usbfs: use the correct signal number for disconnection

usbfs stores the wrong signal number in the siginfo structure used for
notifying user programs about device disconnect.  This patch (as726)
fixes it.

From: Zoran Marceta <Zoran.Marceta@micronasnit.com>
Signed-off-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/core/inode.c

@@ -695,7 +695,7 @@ static void usbfs_remove_device(struct usb_device *dev)
 		wake_up_all(&ds->wait);
 		list_del_init(&ds->list);
 		if (ds->discsignr) {
-			sinfo.si_signo = SIGPIPE;
+			sinfo.si_signo = ds->discsignr;
 			sinfo.si_errno = EPIPE;
 			sinfo.si_code = SI_ASYNCIO;
 			sinfo.si_addr = ds->disccontext;