iommu_get_domain_for_dev() is already perfectly happy to return NULL if the given device has no IOMMU. Drop the unnecessary check. Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx> --- sound/pci/emu10k1/emu10k1_main.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index 86cc1ca025e4..5ffab343b89c 100644 --- a/sound/pci/emu10k1/emu10k1_main.c +++ b/sound/pci/emu10k1/emu10k1_main.c @@ -1751,9 +1751,6 @@ static void snd_emu10k1_detect_iommu(struct snd_emu10k1 *emu) emu->iommu_workaround = false; - if (!iommu_present(emu->card->dev->bus)) - return; - domain = iommu_get_domain_for_dev(emu->card->dev); if (domain && domain->type == IOMMU_DOMAIN_IDENTITY) return; -- 2.28.0.dirty
