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 <[email protected]>
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
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