[patch 3/3] x86, xsave: use BUG_ON() instead of BUILD_BUG_ON()
From: Suresh Siddha
Date: Wed Aug 13 2008 - 14:42:47 EST
All these structure sizes are runtime determined. So use a runtime
bug check.
Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
---
Index: tip/arch/x86/kernel/xsave.c
===================================================================
--- tip.orig/arch/x86/kernel/xsave.c 2008-08-11 15:44:33.000000000 -0700
+++ tip/arch/x86/kernel/xsave.c 2008-08-11 15:45:09.000000000 -0700
@@ -82,8 +82,7 @@
if (!access_ok(VERIFY_WRITE, buf, sig_xstate_size))
return -EACCES;
- BUILD_BUG_ON(sizeof(struct user_i387_struct) !=
- sizeof(tsk->thread.xstate->fxsave));
+ BUG_ON(sig_xstate_size < xstate_size);
if ((unsigned long)buf % 64)
printk("save_i387_xstate: bad fpstate %p\n", buf);
--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/