Commit af8c7237 authored by David Fries's avatar David Fries Committed by Greg Kroah-Hartman

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: default avatarDavid Fries <David@Fries.net>
Acked-by: default avatarEvgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 42105698
......@@ -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;
......
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