We should check the return value of the routines fishing out the proper
microcode and not try to apply if we haven't found a suitable blob.
Signed-off-by: Borislav Petkov <bp@suse.de>
ret = load_microcode(mc_saved_data, mc_saved_in_initrd,
initrd_start_early, uci);
ret = load_microcode(mc_saved_data, mc_saved_in_initrd,
initrd_start_early, uci);
+ if (ret != UCODE_OK)
+ return;
- if (ret == UCODE_OK)
- apply_microcode_early(uci, true);
+ apply_microcode_early(uci, true);
struct ucode_cpu_info uci;
unsigned long *mc_saved_in_initrd_p;
unsigned long initrd_start_addr;
struct ucode_cpu_info uci;
unsigned long *mc_saved_in_initrd_p;
unsigned long initrd_start_addr;
#ifdef CONFIG_X86_32
unsigned long *initrd_start_p;
#ifdef CONFIG_X86_32
unsigned long *initrd_start_p;
return;
collect_cpu_info_early(&uci);
return;
collect_cpu_info_early(&uci);
- load_microcode(mc_saved_data_p, mc_saved_in_initrd_p,
- initrd_start_addr, &uci);
+ ret = load_microcode(mc_saved_data_p, mc_saved_in_initrd_p,
+ initrd_start_addr, &uci);
+
+ if (ret != UCODE_OK)
+ return;
+
apply_microcode_early(&uci, true);
}
apply_microcode_early(&uci, true);
}