Duplicate errors can be returned to userspace when the thread
error code is left set when the read buffer runs out of space.
Signed-off-by: Riley Andrews <riandr...@android.com>
---
drivers/android/binder.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index f1a26d9..2069759 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -2167,9 +2167,9 @@ retry:
return -EFAULT;
ptr += sizeof(uint32_t);
binder_stat_br(proc, thread, thread->return_error2);
+ thread->return_error2 = BR_OK;
if (ptr == end)
goto done;
- thread->return_error2 = BR_OK;
}
if (put_user(thread->return_error, (uint32_t __user *)ptr))
return -EFAULT;
--
2.2.0.rc0.207.ga3a616c
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