diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index c683e8dedfee..0ee172ce2d21 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -603,7 +603,7 @@ static bool __apply_microcode_amd(struct microcode_amd *mc, u32 *cur_rev,
 	unsigned long p_addr = (unsigned long)&mc->hdr.data_code;
 
 	if (!verify_sha256_digest(mc->hdr.patch_id, *cur_rev, (const u8 *)p_addr, psize))
-		return -1;
+		return false;
 
 	native_wrmsrl(MSR_AMD64_PATCH_LOADER, p_addr);