commit d606f88fa5e529e9dc72be97e79db1e36a6261cb
author Randy Dunlap <rdunlap@xenotime.net> Thu Dec 07 02:14:00 2006 +0100
committer Andi Kleen <andi@basil.nowhere.org> Thu Dec 07 02:14:00 2006 +0100
tree 1c0acf5be3b8e90690cdffc71ce801e6696dc0d1
parent dd315df1767cf56bd4fb8d730fdff4a3d7e15d84

[PATCH] i386: fix must_checks

Fix __must_check warnings in i386/math-emu.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andi Kleen <ak@suse.de>

arch/i386/math-emu/fpu_entry.c

diff --git a/arch/i386/math-emu/fpu_entry.c b/arch/i386/math-emu/fpu_entry.c
index d93f16e..ddf8fa3 100644
--- a/arch/i386/math-emu/fpu_entry.c
+++ b/arch/i386/math-emu/fpu_entry.c
@@ -742,7 +742,8 @@
   S387->fcs &= ~0xf8000000;
   S387->fos |= 0xffff0000;
 #endif /* PECULIAR_486 */
-  __copy_to_user(d, &S387->cwd, 7*4);
+  if (__copy_to_user(d, &S387->cwd, 7*4))
+    return -1;
   RE_ENTRANT_CHECK_ON;
 
   d += 7*4;