[Suspend2][ 05/11] [Suspend2] Get debugging info from modules.

[Nigel Cunningham <nigel@suspend2.net>]

Fill a buffer with debugging information from the suspend2 modules. It is
assumed that this information will never exceed a page in total. If this
did happen, the data would be truncated.

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

 kernel/power/modules.c |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/kernel/power/modules.c b/kernel/power/modules.c
index c18b5fb..50607f5 100644
--- a/kernel/power/modules.c
+++ b/kernel/power/modules.c
@@ -90,3 +90,29 @@ struct suspend_module_ops *suspend_find_
 	return found_module;
 }
 
+/*
+ * suspend_print_module_debug_info
+ * Functionality   : Get debugging info from modules into a buffer.
+ */
+int suspend_print_module_debug_info(char *buffer, int buffer_size)
+{
+	struct suspend_module_ops *this_module;
+	int len = 0;
+
+	list_for_each_entry(this_module, &suspend_modules, module_list) {
+		if (this_module->disabled)
+			continue;
+		if (this_module->print_debug_info) {
+			int result;
+			result = this_module->print_debug_info(buffer + len, 
+					buffer_size - len);
+			len += result;
+		}
+	}
+
+	/* Ensure null terminated */
+	buffer[buffer_size] = 0;
+
+	return len;
+}
+

--
Nigel Cunningham		nigel at suspend2 dot net
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