kexec-tools/kexec-tools-1.101-ifdown.patch

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2006-12-15 21:05:01 +00:00
--- kexec-tools-1.101/kexec/kexec.c.orig1 2006-10-13 14:01:39.000000000 -0400
+++ kexec-tools-1.101/kexec/kexec.c 2006-10-13 14:10:28.000000000 -0400
@@ -698,6 +698,19 @@ void usage(void)
printf("\n");
}
+static int kexec_loaded(void)
+{
+ int ret;
+ FILE *fp;
+
+ fp = fopen("/sys/kernel/kexec_loaded", "r");
+ if (fp == NULL)
+ return -1;
+ fscanf(fp, "%d", &ret);
+ fclose(fp);
+ return ret;
+}
+
int main(int argc, char *argv[])
{
int do_load = 1;
@@ -801,6 +814,10 @@ int main(int argc, char *argv[])
if (do_load && (result == 0)) {
result = my_load(type, fileind, argc, argv, kexec_flags);
}
+ /* Don't shutdown unless there is something to reboot to! */
+ if ((result == 0) && (do_shutdown || do_exec) && !kexec_loaded()) {
+ die("Nothing has been loaded!\n");
+ }
if ((result == 0) && do_shutdown) {
result = my_shutdown();
}