Commit af8c7237 authored Jan 15, 2014 by David Fries Committed by Greg Kroah-Hartman Feb 07, 2014

w1: Only wake up the search process if it is going to be searching



It's valid to set the search count to 0 to stop searching, so don't
wake up the search thread to not search.

Signed-off-by: David Fries <David@Fries.net>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 42105698

drivers/w1/w1.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -243,6 +243,8 @@ static ssize_t w1_master_attribute_store_search(struct device * dev,
		mutex_lock(&md->mutex);
		md->search_count = tmp;
		mutex_unlock(&md->mutex);
		/* Only wake if it is going to be searching. */
		if (tmp)
		wake_up_process(md->thread);

		return count;