hib-res-generator: add "noresume"

This is an override parameter, to totally skip dehiberanation.

1 files changed, 15 insertions, 2 deletions

diff --git a/src/hibernate-resume/hibernate-resume-generator.c b/src/hibernate-resume/hibernate-resume-generator.c
index 8ff44c3bb9..036493a389 100644
--- a/src/hibernate-resume/hibernate-resume-generator.c
+++ b/src/hibernate-resume/hibernate-resume-generator.c
@@ -15,6 +15,7 @@
 
 static const char *arg_dest = "/tmp";
 static char *arg_resume_device = NULL;
+static bool arg_noresume = false;
 
 static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
 
@@ -28,8 +29,15 @@ static int parse_proc_cmdline_item(const char *key, const char *value, void *dat
                 if (!s)
                         return log_oom();
 
-                free(arg_resume_device);
-                arg_resume_device = s;
+                free_and_replace(arg_resume_device, s);
+
+        } else if (streq(key, "noresume")) {
+                if (value) {
+                        log_warning("\"noresume\" kernel command line switch specified with an argument, ignoring.");
+                        return 0;
+                }
+
+                arg_noresume = true;
         }
 
         return 0;
@@ -85,6 +93,11 @@ int main(int argc, char *argv[]) {
         if (r < 0)
                 log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
 
+        if (arg_noresume) {
+                log_notice("Found \"noresume\" on the kernel command line, quitting.");
+                return EXIT_SUCCESS;
+        }
+
         r = process_resume();
         free(arg_resume_device);