w1_therm_read_bin: don't call flush_signals()

This can disrupt userspace signal management.
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/w1/slaves/w1_therm.c

@@ -191,11 +191,7 @@ static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, si
 
 			w1_write_8(dev, W1_CONVERT_TEMP);
 
-			while (tm) {
-				tm = msleep_interruptible(tm);
-				if (signal_pending(current))
-					flush_signals(current);
-			}
+			msleep(tm);
 
 			if (!w1_reset_select_slave(sl)) {