Hi Zeng Tao, On Wed, Jan 3, 2018 at 8:30 PM, Zeng Tao <[email protected]> wrote: > when the current process is doing a rpc call from optee, and if there > is a signal pending on the process, it will enter dead loop if the > tee-supplicant is working correctly, fix the problem by breaking out > the loop when the rpc job is finished. > > Signed-off-by: Zeng Tao <[email protected]> > --- > drivers/tee/optee/supp.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/tee/optee/supp.c b/drivers/tee/optee/supp.c > index b4ea067..170dedb 100644 > --- a/drivers/tee/optee/supp.c > +++ b/drivers/tee/optee/supp.c > @@ -107,6 +107,13 @@ u32 optee_supp_thrd_req(struct tee_context *ctx, u32 > func, size_t num_params, > mutex_unlock(&supp->ctx_mutex); > if (interruptable) > break; > + > + /* > + * if there is signal pending, and the supplicant has finished > + * the rpc job, we need to break out the loop > + */ > + if (try_wait_for_completion(&supp->data_from_supp)) > + break; > } > > ret = supp->ret; > -- > 2.7.4 >
Since this patch was posted there has been changes (during the merge window) to this part of the code. Please rebase, test and post again. Thanks, Jens
