commit 928bd1b4709045355fad8bf858904884c0a1e87f
author Russell King <rmk@dyn-67.arm.linux.org.uk> Tue Apr 25 20:41:27 2006 +0100
committer Russell King <rmk+kernel@arm.linux.org.uk> Tue Apr 25 20:41:27 2006 +0100
tree 1875af1016e3057fd25fa7441877f8a0b97cffbe
parent c7fd84424f919740880d989cb0459c332da96013

[ARM] vfp: fix leak of VFP_NAN_FLAG into FPSCR

The VFP code can leak VFP_NAN_FLAG into the FPSCR. It doesn't correspond
to any real FPSCR bit (and overlaps one of the exception flags).

Bug report from Daniel Jacobowitz

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/vfp/vfpsingle.c

diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c
index 4ac27f1..dae2c2f 100644
--- a/arch/arm/vfp/vfpsingle.c
+++ b/arch/arm/vfp/vfpsingle.c
@@ -203,7 +203,7 @@
 		vfp_put_float(sd, d);
 	}
 
-	return exceptions & ~VFP_NAN_FLAG;
+	return exceptions;
 }
 
 /*