Merge tag 'dma-mapping-5.15' of git://git.infradead.org/users/hch/dma-mapping

[linux-2.6-microblaze.git] / drivers / iommu / iommu.c

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 63f0af1..5a570d4 100644 (file)
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2570,9 +2570,9 @@ size_t iommu_unmap_fast(struct iommu_domain *domain,
 }
 EXPORT_SYMBOL_GPL(iommu_unmap_fast);
 
 }
 EXPORT_SYMBOL_GPL(iommu_unmap_fast);
 

-static size_t __iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
-                            struct scatterlist *sg, unsigned int nents, int prot,
-                            gfp_t gfp)
+static ssize_t __iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
+               struct scatterlist *sg, unsigned int nents, int prot,
+               gfp_t gfp)

 {
        const struct iommu_ops *ops = domain->ops;
        size_t len = 0, mapped = 0;
 {
        const struct iommu_ops *ops = domain->ops;
        size_t len = 0, mapped = 0;


@@ -2613,19 +2613,18 @@ out_err:
        /* undo mappings already done */
        iommu_unmap(domain, iova, mapped);
 
        /* undo mappings already done */
        iommu_unmap(domain, iova, mapped);
 

-       return 0;
-
+       return ret;

 }
 
 }
 

-size_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
-                   struct scatterlist *sg, unsigned int nents, int prot)
+ssize_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
+                    struct scatterlist *sg, unsigned int nents, int prot)

 {
        might_sleep();
        return __iommu_map_sg(domain, iova, sg, nents, prot, GFP_KERNEL);
 }
 EXPORT_SYMBOL_GPL(iommu_map_sg);
 
 {
        might_sleep();
        return __iommu_map_sg(domain, iova, sg, nents, prot, GFP_KERNEL);
 }
 EXPORT_SYMBOL_GPL(iommu_map_sg);
 

-size_t iommu_map_sg_atomic(struct iommu_domain *domain, unsigned long iova,
+ssize_t iommu_map_sg_atomic(struct iommu_domain *domain, unsigned long iova,

                    struct scatterlist *sg, unsigned int nents, int prot)
 {
        return __iommu_map_sg(domain, iova, sg, nents, prot, GFP_ATOMIC);
                    struct scatterlist *sg, unsigned int nents, int prot)
 {
        return __iommu_map_sg(domain, iova, sg, nents, prot, GFP_ATOMIC);