From: Michael Neuling Date: Mon, 28 Jul 2008 15:13:14 +0000 (+1000) Subject: powerpc: Don't use the wrong thread_struct for ptrace get/set VSX regs X-Git-Tag: v2.6.27-rc2~117^2~1 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=7d2a175b9bf6e9422bebe95130a3c79a25ff4602;p=linux-2.6-omap-h63xx.git 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 --- diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 97d5dede817..3635be61f89 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;