ARM: fix PTRACE_SETVFPREGS on SMP systems

[pandora-kernel.git] / arch / arm / kernel / ptrace.c

diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 2491f3b..8b17fb4 100644 (file)
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
+#include <linux/elf.h>
 #include <linux/smp.h>
 #include <linux/ptrace.h>
 #include <linux/user.h>
@@ -698,10 +699,13 @@ static int vfp_set(struct task_struct *target,
 {
        int ret;
        struct thread_info *thread = task_thread_info(target);
-       struct vfp_hard_struct new_vfp = thread->vfpstate.hard;
+       struct vfp_hard_struct new_vfp;
        const size_t user_fpregs_offset = offsetof(struct user_vfp, fpregs);
        const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr);
 
+       vfp_sync_hwstate(thread);
+       new_vfp = thread->vfpstate.hard;
+
        ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
                                  &new_vfp.fpregs,
                                  user_fpregs_offset,
@@ -722,7 +726,6 @@ static int vfp_set(struct task_struct *target,
        if (ret)
                return ret;
 
-       vfp_sync_hwstate(thread);
        thread->vfpstate.hard = new_vfp;
        vfp_flush_hwstate(thread);