void *krealloc(const void *p, size_t new_size, gfp_t flags)
{
void *ret;
- size_t ks;
+ size_t ks = 0;
if (unlikely(!new_size)) {
kfree(p);
return ZERO_SIZE_PTR;
}
- ks = ksize(p);
+ if (p)
+ ks = ksize(p);
+
if (ks >= new_size)
return (void *)p;
ret = kmalloc_track_caller(new_size, flags);
- if (ret) {
- memcpy(ret, p, min(new_size, ks));
+ if (ret && p) {
+ memcpy(ret, p, ks);
kfree(p);
}
return ret;