livepatch/sample: Use the right type for the leaking data pointer

[linux-2.6-microblaze.git] / samples / livepatch / livepatch-shadow-fix1.c

diff --git a/samples/livepatch/livepatch-shadow-fix1.c b/samples/livepatch/livepatch-shadow-fix1.c
index e89ca45..bab12bd 100644 (file)
--- a/samples/livepatch/livepatch-shadow-fix1.c
+++ b/samples/livepatch/livepatch-shadow-fix1.c
@@ -52,8 +52,8 @@ struct dummy {
  */
 static int shadow_leak_ctor(void *obj, void *shadow_data, void *ctor_data)
 {
-       void **shadow_leak = shadow_data;
-       void *leak = ctor_data;
+       int **shadow_leak = shadow_data;
+       int *leak = ctor_data;
 
        *shadow_leak = leak;
        return 0;
@@ -62,7 +62,7 @@ static int shadow_leak_ctor(void *obj, void *shadow_data, void *ctor_data)
 static struct dummy *livepatch_fix1_dummy_alloc(void)
 {
        struct dummy *d;
-       void *leak;
+       int *leak;
 
        d = kzalloc(sizeof(*d), GFP_KERNEL);
        if (!d)
@@ -76,7 +76,7 @@ static struct dummy *livepatch_fix1_dummy_alloc(void)
         * variable.  A patched dummy_free routine can later fetch this
         * pointer to handle resource release.
         */
-       leak = kzalloc(sizeof(int), GFP_KERNEL);
+       leak = kzalloc(sizeof(*leak), GFP_KERNEL);
        if (!leak) {
                kfree(d);
                return NULL;
@@ -94,7 +94,7 @@ static struct dummy *livepatch_fix1_dummy_alloc(void)
 static void livepatch_fix1_dummy_leak_dtor(void *obj, void *shadow_data)
 {
        void *d = obj;
-       void **shadow_leak = shadow_data;
+       int **shadow_leak = shadow_data;
 
        kfree(*shadow_leak);
        pr_info("%s: dummy @ %p, prevented leak @ %p\n",
@@ -103,7 +103,7 @@ static void livepatch_fix1_dummy_leak_dtor(void *obj, void *shadow_data)
 
 static void livepatch_fix1_dummy_free(struct dummy *d)
 {
-       void **shadow_leak;
+       int **shadow_leak;
 
        /*
         * Patch: fetch the saved SV_LEAK shadow variable, detach and