On Thu, May 30, 2019 at 09:19:20AM +0800, Gen Zhang wrote: > In tegra_hsp_doorbell_create(), 'db->name' is allocated by > devm_kstrdup_const(). It returns NULL when fails. So 'db->name' should > be checked. > > Signed-off-by: Gen Zhang <blackgod016574@xxxxxxxxx> > Acked-by: Thierry Reding <treding@xxxxxxxxxx> > --- > diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c > index 11fc9fd..b613c46 100644 > --- a/drivers/mailbox/tegra-hsp.c > +++ b/drivers/mailbox/tegra-hsp.c > @@ -292,6 +292,8 @@ tegra_hsp_doorbell_create(struct tegra_hsp *hsp, const char *name, > db->channel.hsp = hsp; > > db->name = devm_kstrdup_const(hsp->dev, name, GFP_KERNEL); > + if (!db->name) > + return ERR_PTR(-ENOMEM); > db->master = master; > db->index = index; > > --- Can anyone look into this patch? It's acked by Thierry Reding <treding@xxxxxxxxxx>. Thanks Gen