[PATCH] binder: fix incorrect cmd to binder_stat_br

From: Todd Kjos
Date: Tue Aug 08 2017 - 18:49:17 EST


commit 26549d177410 ("binder: guarantee txn complete / errors delivered
in-order") passed the locally declared and undefined cmd
to binder_stat_br() which results in a bogus cmd field in a trace
event and BR stats are incremented incorrectly.

Change to use e->cmd which has been initialized.

Signed-off-by: Todd Kjos <tkjos@xxxxxxxxxx>
---
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 9f95d7093f32..f34fcb513c64 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -3619,7 +3619,7 @@ static int binder_thread_read(struct binder_proc *proc,
e->cmd = BR_OK;
ptr += sizeof(uint32_t);

- binder_stat_br(proc, thread, cmd);
+ binder_stat_br(proc, thread, e->cmd);
} break;
case BINDER_WORK_TRANSACTION_COMPLETE: {
binder_inner_proc_unlock(proc);
--
2.14.0.434.g98096fd7a8-goog