Hi Thierry, On Tue, 2017-10-17 at 12:40 +0200, Thierry Reding wrote: > On Thu, Sep 07, 2017 at 12:31:03PM +0300, Timo Alho wrote: > > Add checks for return code in BPMP response message. > > > > Signed-off-by: Timo Alho <[email protected]> > > --- > > drivers/reset/tegra/reset-bpmp.c | 9 ++++++++- > > 1 file changed, 8 insertions(+), 1 deletion(-) > > Hi Philipp, > > Would you provide an Acked-by on this so that I can take it into the > Tegra tree? There's a build dependency on patch 1/4 in the series.
Acked-by: Philipp Zabel <[email protected]> to take this via the Tegra tree. > Quoting in full since you were not previously on Cc, unfortunately. > > Timo, please remember to always Cc the relevant maintainers. > > Thierry > > > diff --git a/drivers/reset/tegra/reset-bpmp.c > > b/drivers/reset/tegra/reset-bpmp.c > > index 5daf2ee..fac2db6 100644 > > --- a/drivers/reset/tegra/reset-bpmp.c > > +++ b/drivers/reset/tegra/reset-bpmp.c > > @@ -23,6 +23,7 @@ static int tegra_bpmp_reset_common(struct > > reset_controller_dev *rstc, > > struct tegra_bpmp *bpmp = to_tegra_bpmp(rstc); > > struct mrq_reset_request request; > > struct tegra_bpmp_message msg; > > + int err; > > > > memset(&request, 0, sizeof(request)); > > request.cmd = command; > > @@ -33,7 +34,13 @@ static int tegra_bpmp_reset_common(struct > > reset_controller_dev *rstc, > > msg.tx.data = &request; > > msg.tx.size = sizeof(request); > > > > - return tegra_bpmp_transfer(bpmp, &msg); > > + err = tegra_bpmp_transfer(bpmp, &msg); > > + if (err < 0) > > + return err; > > + else if (msg.rx.ret < 0) > > + return -EINVAL; I don't really understand why you complicate the call sites like this instead of just letting tegra_bmp_transfer return -EINVAL if msg.rx.ret < 0, but I haven't seen the other patches. regards Philipp
