chiark / gitweb /
swap: refuse start/stop of swaps in container
authorLennart Poettering <lennart@poettering.net>
Fri, 24 Aug 2012 21:00:13 +0000 (23:00 +0200)
committerLennart Poettering <lennart@poettering.net>
Tue, 4 Sep 2012 01:59:05 +0000 (18:59 -0700)
src/core/swap.c

index cd4d9ab..41ece27 100644 (file)
@@ -39,6 +39,7 @@
 #include "exit-status.h"
 #include "def.h"
 #include "path-util.h"
+#include "virt.h"
 
 static const UnitActiveState state_translation_table[_SWAP_STATE_MAX] = {
         [SWAP_DEAD] = UNIT_INACTIVE,
@@ -797,6 +798,9 @@ static int swap_start(Unit *u) {
 
         assert(s->state == SWAP_DEAD || s->state == SWAP_FAILED);
 
+        if (detect_container(NULL) > 0)
+                return -EPERM;
+
         s->result = SWAP_SUCCESS;
         swap_enter_activating(s);
         return 0;
@@ -817,6 +821,9 @@ static int swap_stop(Unit *u) {
         assert(s->state == SWAP_ACTIVATING ||
                s->state == SWAP_ACTIVE);
 
+        if (detect_container(NULL) > 0)
+                return -EPERM;
+
         swap_enter_deactivating(s);
         return 0;
 }