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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 <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
hifive-unleashed-5.1
Michael Neuling 2008-07-29 01:13:14 +10:00 committed by Benjamin Herrenschmidt
parent 1ac42ef844
commit 7d2a175b9b
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/kernel/ptrace.c
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@ -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;