[PATCH] x86: initialise tss->io_bitmap_owner to something

There exists a field io_bitmap_owner in the TSS that is only checked, but
never set to anything else but NULL.

Signed-off-by: Bart Oldeman <bartoldeman@users.sourceforge.net>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 19e90bdd84eac1834efe26127429b0cec15f1670..c34d1bfc51619b0ee978740d34ffad9d6dd499bb 100644 (file)
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -488,6 +488,7 @@ fastcall void __kprobes do_general_protection(struct pt_regs * regs,
                                tss->io_bitmap_max - thread->io_bitmap_max);
                tss->io_bitmap_max = thread->io_bitmap_max;
                tss->io_bitmap_base = IO_BITMAP_OFFSET;
+               tss->io_bitmap_owner = thread;
                put_cpu();
                return;
        }