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>

arch/powerpc/math-emu/fnmsub.c

@@ -15,7 +15,6 @@ fnmsub(void *frD, void *frA, void *frB, void *frC)
 	FP_DECL_D(C);
 	FP_DECL_D(T);
 	FP_DECL_EX;
-	int ret = 0;
 
 #ifdef DEBUG
 	printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
@@ -33,7 +32,7 @@ fnmsub(void *frD, void *frA, void *frB, void *frC)
 
 	if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) ||
 	    (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF))
-		ret |= EFLAG_VXIMZ;
+		FP_SET_EXCEPTION(EFLAG_VXIMZ);
 
 	FP_MUL_D(T, A, C);
 
@@ -41,7 +40,7 @@ fnmsub(void *frD, void *frA, void *frB, void *frC)
 		B_s ^= 1;
 
 	if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF)
-		ret |= EFLAG_VXISI;
+		FP_SET_EXCEPTION(EFLAG_VXISI);
 
 	FP_ADD_D(R, T, B);