[PATCH v5 6/6] iommu: Propagate return value in ->attach_dev callback functions
From: Nicolin Chen <hidden>
Date: 2022-09-22 08:55:16
Also in:
linux-iommu, linux-mediatek, lkml
Subsystem:
iommu subsystem, mediatek iommu driver, the rest, virtio iommu driver · Maintainers:
Joerg Roedel, Will Deacon, Yong Wu, Linus Torvalds, Jean-Philippe Brucker
The mtk_iommu and virtio drivers have places in the ->attach_dev callback functions that return hardcode errnos instead of the returned values, but callers of these ->attach_dv callback functions may care. Propagate them directly without the extra conversions. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Jean-Philippe Brucker <redacted> Signed-off-by: Nicolin Chen <redacted> --- drivers/iommu/mtk_iommu.c | 2 +- drivers/iommu/virtio-iommu.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index be1a7d1cc630..c30dc8f81778 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c@@ -666,7 +666,7 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain, ret = mtk_iommu_domain_finalise(dom, frstdata, region_id); if (ret) { mutex_unlock(&dom->mutex); - return -ENODEV; + return ret; } dom->bank = &data->bank[bankid]; }
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index 87128266b6e3..35de7b433b17 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c@@ -696,7 +696,7 @@ static int viommu_domain_finalise(struct viommu_endpoint *vdev, if (ret) { ida_free(&viommu->domain_ids, vdomain->id); vdomain->viommu = NULL; - return -EOPNOTSUPP; + return ret; } }
--
2.17.1
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