From 7d2a175b9bf6e9422bebe95130a3c79a25ff4602 Mon Sep 17 00:00:00 2001 From: Michael Neuling Date: Tue, 29 Jul 2008 01:13:14 +1000 Subject: [PATCH] powerpc: Don't use the wrong thread_struct for ptrace get/set VSX regs In PTRACE_GET/SETVSRREGS, we should be using the thread we are ptracing rather than current. Signed-off-by: Michael Neuling Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/ptrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 97d5dede8173..3635be61f899 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -375,7 +375,7 @@ static int vsr_get(struct task_struct *target, const struct user_regset *regset, flush_vsx_to_thread(target); for (i = 0; i < 32 ; i++) - buf[i] = current->thread.fpr[i][TS_VSRLOWOFFSET]; + buf[i] = target->thread.fpr[i][TS_VSRLOWOFFSET]; ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, buf, 0, 32 * sizeof(double)); @@ -394,7 +394,7 @@ static int vsr_set(struct task_struct *target, const struct user_regset *regset, ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, buf, 0, 32 * sizeof(double)); for (i = 0; i < 32 ; i++) - current->thread.fpr[i][TS_VSRLOWOFFSET] = buf[i]; + target->thread.fpr[i][TS_VSRLOWOFFSET] = buf[i]; return ret; -- 2.20.1