[Suspend2][ 04/19] [Suspend2] Reset modules after invalidating an image.

[Nigel Cunningham <nigel@suspend2.net>]

Reset modules after using them to read an image header and invalidate it,
when the user puts noresume2 on the command line.

Signed-off-by: Nigel Cunningham <nigel@suspend2.net>

 kernel/power/io.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/kernel/power/io.c b/kernel/power/io.c
index bfe4468..5c0acdd 100644
--- a/kernel/power/io.c
+++ b/kernel/power/io.c
@@ -111,3 +111,23 @@ void attempt_to_parse_resume_device2(voi
 	suspend_cleanup_usm();
 }
 
+/* noresume_reset_modules
+ *
+ * Description:	When we read the start of an image, modules (and especially the
+ * 		active writer) might need to reset data structures if we decide
+ * 		to invalidate the image rather than resuming from it.
+ */
+
+static void noresume_reset_modules(void)
+{
+	struct suspend_module_ops *this_filter;
+	
+	list_for_each_entry(this_filter, &suspend_filters, type_list) {
+		if (this_filter->noresume_reset)
+			this_filter->noresume_reset();
+	}
+
+	if (suspend_active_writer && suspend_active_writer->noresume_reset)
+		suspend_active_writer->noresume_reset();
+}
+

--
Nigel Cunningham		nigel at suspend2 dot net