void *krealloc(const void *p, size_t new_size, gfp_t flags)
{
void *ret;
if (unlikely(!new_size)) {
kfree(p);
return ZERO_SIZE_PTR;
}
ret = __krealloc(p, new_size, flags);
if (ret && p != ret)
kfree(p);
return ret;
}
static void*
repl___krealloc(const void *p, size_t size, gfp_t flags)
{
void *ret_val;
ret_val = __krealloc(p, size, flags);
if (size == 0) /* do nothing */
return ret_val;
if (p == NULL) {
/* same as kmalloc */
if (ret_val != NULL)
klc_add_alloc(ret_val, size, stack_depth);
} else {
/* this part is more tricky as __krealloc may or may not call
* kmalloc and, in addition, it does not free 'p'.
*/
if (ret_val != NULL && ret_val != p) /* allocation has been done */
klc_add_alloc(ret_val, size, stack_depth);
}
return ret_val;
}