uint8_t * const reduced_data,
const uint32_t reduced_size)
{
- const uint32_t reduced_end_address = END_ADDRESS(reduced_address, reduced_size);
- const uint32_t extended_end_address = END_ADDRESS(extended_address, extended_size);
const uint32_t offset = reduced_address - extended_address;
- if (extended_end_address == reduced_end_address && extended_address == reduced_address)
- return; /* extended and reduced address ranges point to the same data */
+ /*
+ * If the address is same, address was not extended.
+ * So we do not need to free any memory.
+ * The data is in original buffer(reduced_data).
+ */
+ if (extended_data == reduced_data)
+ return;
memcpy(&extended_data[offset], reduced_data, reduced_size);
kfree(extended_data);