static void *
get_next_ucode(int cpu, const u8 *buf, unsigned int size, unsigned int *mc_size)
{
unsigned int actual_size = 0;
u8 section_hdr[UCODE_CONTAINER_SECTION_HDR];
void *mc = NULL;
if (get_ucode_data(section_hdr, buf, UCODE_CONTAINER_SECTION_HDR))
return NULL;
if (section_hdr[0] != UCODE_UCODE_TYPE) {
printk(KERN_ERR "microcode: error: invalid type field in "
"container file section header\n");
return NULL;
}
actual_size = verify_ucode_size(cpu, buf, size);
if (!actual_size)
return NULL;
mc = vmalloc(actual_size);
if (!mc)
return NULL;
memset(mc, 0, actual_size);
get_ucode_data(mc, buf + UCODE_CONTAINER_SECTION_HDR, actual_size);
*mc_size = actual_size + UCODE_CONTAINER_SECTION_HDR;
return mc;
}
static struct microcode_header_amd *
get_next_ucode(int cpu, const u8 *buf, unsigned int size, unsigned int *mc_size)
{
struct microcode_header_amd *mc = NULL;
unsigned int actual_size = 0;
if (*(u32 *)buf != UCODE_UCODE_TYPE) {
pr_err("invalid type field in container file section header\n");
goto out;
}
actual_size = verify_ucode_size(cpu, buf, size);
if (!actual_size)
goto out;
mc = vzalloc(actual_size);
if (!mc)
goto out;
get_ucode_data(mc, buf + SECTION_HDR_SIZE, actual_size);
*mc_size = actual_size + SECTION_HDR_SIZE;
out:
return mc;
}