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SubjectRe: [PATCH] binder: Add invalid handle info in user error log
On Mon, Aug 2, 2021 at 10:41 AM 'Ramji Jiyani' via kernel-team
<kernel-team@android.com> wrote:
>
> In case of a fail transaction to the target node; user error log currently

nit: I'd rephrase this to something like "In the case of a failed
transaction, only the thread and process id are logged. Add the handle
info..."

> only prints the thread and process id. Add handle info for the reference
> to the target node in user error log to aid debugging.
>
> Signed-off-by: Ramji Jiyani <ramjiyani@google.com>

Acked-by: Todd Kjos <tkjos@google.com>

> ---
> drivers/android/binder.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/android/binder.c b/drivers/android/binder.c
> index bcec598b89f2..d9030cb6b1e4 100644
> --- a/drivers/android/binder.c
> +++ b/drivers/android/binder.c
> @@ -2547,8 +2547,8 @@ static void binder_transaction(struct binder_proc *proc,
> ref->node, &target_proc,
> &return_error);
> } else {
> - binder_user_error("%d:%d got transaction to invalid handle\n",
> - proc->pid, thread->pid);
> + binder_user_error("%d:%d got transaction to invalid handle, %u\n",
> + proc->pid, thread->pid, tr->target.handle);
> return_error = BR_FAILED_REPLY;
> }
> binder_proc_unlock(proc);
> --
> 2.32.0.554.ge1b32706d8-goog
>
> --
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