* Martin Hostettler <martin@xxxxxxxxxxxxxxxxxxxxxx> [110118 13:44]: > In a modular build of the iommu code it's possible that the arch iommu code > isn't loaded when trying to enable the iommu. Instead of blindly following a > null pointer return -NODEV in that case. Thanks applying. Tony > Signed-off-by: Martin Hostettler <martin@xxxxxxxxxxxxxxxxxxxxxx> > --- > arch/arm/plat-omap/iommu.c | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c > index 6cd151b..c1c6887 100644 > --- a/arch/arm/plat-omap/iommu.c > +++ b/arch/arm/plat-omap/iommu.c > @@ -104,6 +104,9 @@ static int iommu_enable(struct iommu *obj) > if (!obj) > return -EINVAL; > > + if (!arch_iommu) > + return -ENODEV; > + > clk_enable(obj->clk); > > err = arch_iommu->enable(obj); > -- > 1.7.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
