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authorMichael Neuling <mikey@neuling.org>2008-07-29 01:13:14 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-30 15:26:54 +1000
commit7d2a175b9bf6e9422bebe95130a3c79a25ff4602 (patch)
tree1684ca0a8af75d6f8e3602a7c70dec27ad08b896
parent1ac42ef844d7c0996f15c6f94f463ac94cb80818 (diff)
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>
-rw-r--r--arch/powerpc/kernel/ptrace.c4
1 files changed, 2 insertions, 2 deletions
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;