Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[pandora-kernel.git] / arch / x86_64 / ia32 / ptrace32.c

diff --git a/arch/x86_64/ia32/ptrace32.c b/arch/x86_64/ia32/ptrace32.c
index 659c072..d18198e 100644 (file)
--- a/arch/x86_64/ia32/ptrace32.c
+++ b/arch/x86_64/ia32/ptrace32.c
@@ -117,6 +117,10 @@ static int putreg32(struct task_struct *child, unsigned regno, u32 val)
                        if ((0x5454 >> ((val >> (16 + 4*i)) & 0xf)) & 1)
                               return -EIO;
                child->thread.debugreg7 = val; 
+               if (val)
+                       set_tsk_thread_flag(child, TIF_DEBUG);
+               else
+                       clear_tsk_thread_flag(child, TIF_DEBUG);
                break; 
                    
        default:
@@ -371,8 +375,10 @@ asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data)
                ret = -EIO;
                if (!access_ok(VERIFY_READ, u, sizeof(*u)))
                        break;
-               /* no checking to be bug-to-bug compatible with i386 */
-               __copy_from_user(&child->thread.i387.fxsave, u, sizeof(*u));
+               /* no checking to be bug-to-bug compatible with i386. */
+               /* but silence warning */
+               if (__copy_from_user(&child->thread.i387.fxsave, u, sizeof(*u)))
+                       ;
                set_stopped_child_used_math(child);
                child->thread.i387.fxsave.mxcsr &= mxcsr_feature_mask;
                ret = 0;