diff --git a/arch/ppc64/kernel/vdso32/cacheflush.S b/arch/ppc64/kernel/vdso32/cacheflush.S
index c74fddb..0ed7ea7 100644
--- a/arch/ppc64/kernel/vdso32/cacheflush.S
+++ b/arch/ppc64/kernel/vdso32/cacheflush.S
@@ -47,6 +47,7 @@
 	addi	r6,r6,128
 	bdnz	1b
 	isync
+	li	r3,0
 	blr
   .cfi_endproc
 V_FUNCTION_END(__kernel_sync_dicache)
@@ -59,6 +60,7 @@
   .cfi_startproc
 	sync
 	isync
+	li	r3,0
 	blr
   .cfi_endproc
 V_FUNCTION_END(__kernel_sync_dicache_p5)
diff --git a/arch/ppc64/kernel/vdso32/gettimeofday.S b/arch/ppc64/kernel/vdso32/gettimeofday.S
index ca7f4151..2b48bf1 100644
--- a/arch/ppc64/kernel/vdso32/gettimeofday.S
+++ b/arch/ppc64/kernel/vdso32/gettimeofday.S
@@ -58,6 +58,7 @@
 	stw	r5,TZONE_TZ_DSTTIME(r11)
 
 1:	mtlr	r12
+	li	r3,0
 	blr
 
 2:	mr	r3,r10
diff --git a/arch/ppc64/kernel/vdso64/cacheflush.S b/arch/ppc64/kernel/vdso64/cacheflush.S
index d9696ff..e0725b7 100644
--- a/arch/ppc64/kernel/vdso64/cacheflush.S
+++ b/arch/ppc64/kernel/vdso64/cacheflush.S
@@ -47,6 +47,7 @@
 	addi	r6,r6,128
 	bdnz	1b
 	isync
+	li	r3,0
 	blr
   .cfi_endproc
 V_FUNCTION_END(__kernel_sync_dicache)
@@ -59,6 +60,7 @@
   .cfi_startproc
 	sync
 	isync
+	li	r3,0
 	blr
   .cfi_endproc
 V_FUNCTION_END(__kernel_sync_dicache_p5)