kdat: move kerndat initialization to the very beginning

With kdat cache and unified kerndat_init() we can call it very early in
crtools and then kdat information will be available for all cr-* actions.
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/cr-dump.c

@@ -1553,9 +1553,6 @@ int cr_pre_dump_tasks(pid_t pid)
 	if (cr_plugin_init(CR_PLUGIN_STAGE__PRE_DUMP))
 		goto err;
 
-	if (kerndat_init())
-		goto err;
-
 	if (lsm_check_opts())
 		goto err;
 
@@ -1732,9 +1729,6 @@ int cr_dump_tasks(pid_t pid)
 	if (cr_plugin_init(CR_PLUGIN_STAGE__DUMP))
 		goto err;
 
-	if (kerndat_init())
-		goto err;
-
 	if (lsm_check_opts())
 		goto err;
 

criu/cr-restore.c

@@ -2197,9 +2197,6 @@ int cr_restore_tasks(void)
 	if (init_stats(RESTORE_STATS))
 		goto err;
 
-	if (kerndat_init())
-		goto err;
-
 	if (lsm_check_opts())
 		goto err;
 

criu/crtools.c

@@ -47,6 +47,7 @@
 #include "fault-injection.h"
 #include "lsm.h"
 #include "proc_parse.h"
+#include "kerndat.h"
 
 #include "setproctitle.h"
 #include "sysctl.h"
@@ -316,6 +317,9 @@ int main(int argc, char *argv[], char *envp[])
 	if (init_service_fd())
 		return 1;
 
+	if (kerndat_init())
+		return 1;
+
 	if (!strcmp(argv[1], "swrk")) {
 		if (argc < 3)
 			goto usage;