From: Roel Kluin <12o3l@tiscali.nl>
Date: Fri, 9 May 2008 11:05:10 +0000 (+0900)
Subject: SH: catch negative denormal_subf1() retval in denormal_add()
X-Git-Tag: v2.6.26-rc2~14^2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9731e287e08b804592191d8bffaad023154af2aa;p=linux-2.6

SH: catch negative denormal_subf1() retval in denormal_add()

'ix' is unsigned but denormal_subf1() may return a negative int.

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/sh/kernel/cpu/sh2a/fpu.c b/arch/sh/kernel/cpu/sh2a/fpu.c
index 5627c0b3ff..6df2fb98eb 100644
--- a/arch/sh/kernel/cpu/sh2a/fpu.c
+++ b/arch/sh/kernel/cpu/sh2a/fpu.c
@@ -300,7 +300,7 @@ static int denormal_addf(int hx, int hy)
 		iy = hy & 0x7fffffff;
 		if (iy < 0x00800000) {
 			ix = denormal_subf1(ix, iy);
-			if (ix < 0) {
+			if ((int) ix < 0) {
 				ix = -ix;
 				sign ^= 0x80000000;
 			}
@@ -385,7 +385,7 @@ static long long denormal_addd(long long hx, long long hy)
 		iy = hy & 0x7fffffffffffffffLL;
 		if (iy < 0x0010000000000000LL) {
 			ix = denormal_subd1(ix, iy);
-			if (ix < 0) {
+			if ((int) ix < 0) {
 				ix = -ix;
 				sign ^= 0x8000000000000000LL;
 			}