diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index faec8fa68ffd4217b6446760ee2caf3d61b86090..9434865897575885ea17370be89b0f9fedbac6d0 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -150,7 +150,7 @@ static struct ucode_patch *__alloc_microcode_buf(void *data, unsigned int size)
 {
 	struct ucode_patch *p;
 
-	p = kzalloc(size, GFP_KERNEL);
+	p = kzalloc(sizeof(struct ucode_patch), GFP_KERNEL);
 	if (!p)
 		return ERR_PTR(-ENOMEM);