Merge tag 'char-misc-5.15-rc1-lkdtm' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-microblaze.git] / drivers / misc / lkdtm / core.c

diff --git a/drivers/misc/lkdtm/core.c b/drivers/misc/lkdtm/core.c
index 95b1c68..fe6fd34 100644 (file)
--- a/drivers/misc/lkdtm/core.c
+++ b/drivers/misc/lkdtm/core.c
@@ -26,6 +26,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/debugfs.h>
+#include <linux/utsname.h>
 
 #define DEFAULT_COUNT 10
 
@@ -210,6 +211,8 @@ module_param(cpoint_count, int, 0644);
 MODULE_PARM_DESC(cpoint_count, " Crash Point Count, number of times the "\
                                "crash point is to be hit to trigger action");
 
+/* For test debug reporting. */
+char *lkdtm_kernel_info;
 
 /* Return the crashtype number or NULL if the name is invalid */
 static const struct crashtype *find_crashtype(const char *name)
@@ -490,6 +493,11 @@ static int __init lkdtm_module_init(void)
        crash_count = cpoint_count;
 #endif
 
+       /* Common initialization. */
+       lkdtm_kernel_info = kasprintf(GFP_KERNEL, "kernel (%s %s)",
+                                     init_uts_ns.name.release,
+                                     init_uts_ns.name.machine);
+
        /* Handle test-specific initialization. */
        lkdtm_bugs_init(&recur_count);
        lkdtm_perms_init();
@@ -538,6 +546,8 @@ static void __exit lkdtm_module_exit(void)
        if (lkdtm_kprobe != NULL)
                unregister_kprobe(lkdtm_kprobe);
 
+       kfree(lkdtm_kernel_info);
+
        pr_info("Crash point unregistered\n");
 }