powerpc/math-emu: Remove redundant 'ret'

FP_DECL_EX is already used, so ret is redundant.
And FP_SET_EXCEPTION will add status into return value.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/math-emu/fdivs.c b/arch/powerpc/math-emu/fdivs.c
index 797f6a9..526bc26 100644
--- a/arch/powerpc/math-emu/fdivs.c
+++ b/arch/powerpc/math-emu/fdivs.c
@@ -14,7 +14,6 @@
 	FP_DECL_D(B);
 	FP_DECL_D(R);
 	FP_DECL_EX;
-	int ret = 0;
 
 #ifdef DEBUG
 	printk("%s: %p %p %p\n", __func__, frD, frA, frB);
@@ -29,22 +28,22 @@
 #endif
 
 	if (A_c == FP_CLS_ZERO && B_c == FP_CLS_ZERO) {
-		ret |= EFLAG_VXZDZ;
+		FP_SET_EXCEPTION(EFLAG_VXZDZ);
 #ifdef DEBUG
 		printk("%s: FPSCR_VXZDZ raised\n", __func__);
 #endif
 	}
 	if (A_c == FP_CLS_INF && B_c == FP_CLS_INF) {
-		ret |= EFLAG_VXIDI;
+		FP_SET_EXCEPTION(EFLAG_VXIDI);
 #ifdef DEBUG
 		printk("%s: FPSCR_VXIDI raised\n", __func__);
 #endif
 	}
 
 	if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO) {
-		ret |= EFLAG_DIVZERO;
+		FP_SET_EXCEPTION(EFLAG_DIVZERO);
 		if (__FPU_TRAP_P(EFLAG_DIVZERO))
-			return ret;
+			return FP_CUR_EXCEPTIONS;
 	}
 
 	FP_DIV_D(R, A, B);