x86, i387: fix ptrace leakage using init_fpu()

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / i387.c

diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 763dfc407232b0133750f3f61898a120f0685ebc..60fe8015756961fa44851f7ad5d701337e4c9a87 100644 (file)
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -132,7 +132,7 @@ int xfpregs_get(struct task_struct *target, const struct user_regset *regset,
        if (!cpu_has_fxsr)
                return -ENODEV;
 
-       unlazy_fpu(target);
+       init_fpu(target);
 
        return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
                                   &target->thread.i387.fxsave, 0, -1);
@@ -147,7 +147,7 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset,
        if (!cpu_has_fxsr)
                return -ENODEV;
 
-       unlazy_fpu(target);
+       init_fpu(target);
        set_stopped_child_used_math(target);
 
        ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
@@ -307,7 +307,7 @@ int fpregs_get(struct task_struct *target, const struct user_regset *regset,
        if (!HAVE_HWFP)
                return fpregs_soft_get(target, regset, pos, count, kbuf, ubuf);
 
-       unlazy_fpu(target);
+       init_fpu(target);
 
        if (!cpu_has_fxsr)
                return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
@@ -332,7 +332,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset,
        if (!HAVE_HWFP)
                return fpregs_soft_set(target, regset, pos, count, kbuf, ubuf);
 
-       unlazy_fpu(target);
+       init_fpu(target);
        set_stopped_child_used_math(target);
 
        if (!cpu_has_fxsr)