*/
static void *shadow_get(void *obj, unsigned long id)
{
- void *ret = klp_shadow_get(obj, id);
+ int **sv;
+ sv = klp_shadow_get(obj, id);
pr_info("klp_%s(obj=PTR%d, id=0x%lx) = PTR%d\n",
- __func__, ptr_id(obj), id, ptr_id(ret));
+ __func__, ptr_id(obj), id, ptr_id(sv));
- return ret;
+ return sv;
}
static void *shadow_alloc(void *obj, unsigned long id, size_t size,
gfp_t gfp_flags, klp_shadow_ctor_t ctor,
void *ctor_data)
{
- void *ret = klp_shadow_alloc(obj, id, size, gfp_flags, ctor,
- ctor_data);
+ int *var = ctor_data;
+ int **sv;
+
+ sv = klp_shadow_alloc(obj, id, size, gfp_flags, ctor, var);
pr_info("klp_%s(obj=PTR%d, id=0x%lx, size=%zx, gfp_flags=%pGg), ctor=PTR%d, ctor_data=PTR%d = PTR%d\n",
__func__, ptr_id(obj), id, size, &gfp_flags, ptr_id(ctor),
- ptr_id(ctor_data), ptr_id(ret));
- return ret;
+ ptr_id(var), ptr_id(sv));
+
+ return sv;
}
static void *shadow_get_or_alloc(void *obj, unsigned long id, size_t size,
gfp_t gfp_flags, klp_shadow_ctor_t ctor,
void *ctor_data)
{
- void *ret = klp_shadow_get_or_alloc(obj, id, size, gfp_flags, ctor,
- ctor_data);
+ int *var = ctor_data;
+ int **sv;
+
+ sv = klp_shadow_get_or_alloc(obj, id, size, gfp_flags, ctor, var);
pr_info("klp_%s(obj=PTR%d, id=0x%lx, size=%zx, gfp_flags=%pGg), ctor=PTR%d, ctor_data=PTR%d = PTR%d\n",
__func__, ptr_id(obj), id, size, &gfp_flags, ptr_id(ctor),
- ptr_id(ctor_data), ptr_id(ret));
- return ret;
+ ptr_id(var), ptr_id(sv));
+
+ return sv;
}
static void shadow_free(void *obj, unsigned long id, klp_shadow_dtor_t dtor)
/* Shadow variable constructor - remember simple pointer data */
static int shadow_ctor(void *obj, void *shadow_data, void *ctor_data)
{
- int **shadow_int = shadow_data;
- *shadow_int = ctor_data;
+ int **sv = shadow_data;
+ int *var = ctor_data;
+
+ *sv = var;
pr_info("%s: PTR%d -> PTR%d\n",
- __func__, ptr_id(shadow_int), ptr_id(ctor_data));
+ __func__, ptr_id(sv), ptr_id(var));
return 0;
}
static void shadow_dtor(void *obj, void *shadow_data)
{
+ int **sv = shadow_data;
+
pr_info("%s(obj=PTR%d, shadow_data=PTR%d)\n",
- __func__, ptr_id(obj), ptr_id(shadow_data));
+ __func__, ptr_id(obj), ptr_id(sv));
}
static int test_klp_shadow_vars_init(void)
int var1, var2, var3, var4;
int **sv1, **sv2, **sv3, **sv4;
- void *ret;
+ int **sv;
ptr_id(NULL);
ptr_id(&var1);
* With an empty shadow variable hash table, expect not to find
* any matches.
*/
- ret = shadow_get(obj, id);
- if (!ret)
+ sv = shadow_get(obj, id);
+ if (!sv)
pr_info(" got expected NULL result\n");
/*
* Verify we can find our new shadow variables and that they point
* to expected data.
*/
- ret = shadow_get(obj, id);
- if (!ret)
+ sv = shadow_get(obj, id);
+ if (!sv)
return -EINVAL;
- if (ret == sv1 && *sv1 == &var1)
+ if (sv == sv1 && *sv1 == &var1)
pr_info(" got expected PTR%d -> PTR%d result\n",
ptr_id(sv1), ptr_id(*sv1));
- ret = shadow_get(obj + 1, id);
- if (!ret)
+ sv = shadow_get(obj + 1, id);
+ if (!sv)
return -EINVAL;
- if (ret == sv2 && *sv2 == &var2)
+ if (sv == sv2 && *sv2 == &var2)
pr_info(" got expected PTR%d -> PTR%d result\n",
ptr_id(sv2), ptr_id(*sv2));
- ret = shadow_get(obj, id + 1);
- if (!ret)
+ sv = shadow_get(obj, id + 1);
+ if (!sv)
return -EINVAL;
- if (ret == sv3 && *sv3 == &var3)
+ if (sv == sv3 && *sv3 == &var3)
pr_info(" got expected PTR%d -> PTR%d result\n",
ptr_id(sv3), ptr_id(*sv3));
if (!sv4)
return -ENOMEM;
- ret = shadow_get_or_alloc(obj + 2, id, size, gfp_flags, shadow_ctor, &var4);
- if (!ret)
+ sv = shadow_get_or_alloc(obj + 2, id, size, gfp_flags, shadow_ctor, &var4);
+ if (!sv)
return -EINVAL;
- if (ret == sv4 && *sv4 == &var4)
+ if (sv == sv4 && *sv4 == &var4)
pr_info(" got expected PTR%d -> PTR%d result\n",
ptr_id(sv4), ptr_id(*sv4));
* longer find them.
*/
shadow_free(obj, id, shadow_dtor); /* sv1 */
- ret = shadow_get(obj, id);
- if (!ret)
+ sv = shadow_get(obj, id);
+ if (!sv)
pr_info(" got expected NULL result\n");
shadow_free(obj + 1, id, shadow_dtor); /* sv2 */
- ret = shadow_get(obj + 1, id);
- if (!ret)
+ sv = shadow_get(obj + 1, id);
+ if (!sv)
pr_info(" got expected NULL result\n");
shadow_free(obj + 2, id, shadow_dtor); /* sv4 */
- ret = shadow_get(obj + 2, id);
- if (!ret)
+ sv = shadow_get(obj + 2, id);
+ if (!sv)
pr_info(" got expected NULL result\n");
/*
* We should still find an <id+1> variable.
*/
- ret = shadow_get(obj, id + 1);
- if (!ret)
+ sv = shadow_get(obj, id + 1);
+ if (!sv)
return -EINVAL;
- if (ret == sv3 && *sv3 == &var3)
+ if (sv == sv3 && *sv3 == &var3)
pr_info(" got expected PTR%d -> PTR%d result\n",
ptr_id(sv3), ptr_id(*sv3));
* Free all the <id+1> variables, too.
*/
shadow_free_all(id + 1, shadow_dtor); /* sv3 */
- ret = shadow_get(obj, id);
- if (!ret)
+ sv = shadow_get(obj, id);
+ if (!sv)
pr_info(" shadow_get() got expected NULL result\n");