diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c
index a280b11e2122..009495b9ab4b 100644
--- a/arch/x86/vdso/vma.c
+++ b/arch/x86/vdso/vma.c
@@ -230,7 +230,7 @@ __setup("vdso=", vdso_setup);
 static void vgetcpu_cpu_init(void *arg)
 {
 	int cpu = smp_processor_id();
-	struct desc_struct d;
+	struct desc_struct d = { };
 	unsigned long node = 0;
 #ifdef CONFIG_NUMA
 	node = cpu_to_node(cpu);
@@ -243,15 +243,13 @@ static void vgetcpu_cpu_init(void *arg)
 	 * quickly in user space in vgetcpu. (12 bits for the CPU
 	 * and 8 bits for the node)
 	 */
-	d = (struct desc_struct) {
-		.limit0 = cpu | ((node & 0xf) << 12),
-		.limit = node >> 4,
-		.type = 5,		/* RO data, expand down, accessed */
-		.dpl = 3,		/* Visible to user code */
-		.s = 1,			/* Not a system segment */
-		.p = 1,			/* Present */
-		.d = 1,			/* 32-bit */
-	};
+	d.limit0 = cpu | ((node & 0xf) << 12);
+	d.limit = node >> 4;
+	d.type = 5;		/* RO data, expand down, accessed */
+	d.dpl = 3;		/* Visible to user code */
+	d.s = 1;		/* Not a system segment */
+	d.p = 1;		/* Present */
+	d.d = 1;		/* 32-bit */
 
 	write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_PER_CPU, &d, DESCTYPE_S);
 }