From: Ezequiel Garcia <[email protected]> [ Upstream commit 42bb97b80f2e3bf592e3e99d109b67309aa1b30e ]
IOMMU domain resource life is well-defined, managed by .domain_alloc and .domain_free. Therefore, domain-specific resources shouldn't be tied to the device life, but instead to its domain. Signed-off-by: Ezequiel Garcia <[email protected]> Reviewed-by: Robin Murphy <[email protected]> Acked-by: Heiko Stuebner <[email protected]> Signed-off-by: Joerg Roedel <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- drivers/iommu/rockchip-iommu.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index ad3e2b97469ed..140b287e886c8 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -977,13 +977,13 @@ static struct iommu_domain *rk_iommu_domain_alloc(unsigned type) if (!dma_dev) return NULL; - rk_domain = devm_kzalloc(dma_dev, sizeof(*rk_domain), GFP_KERNEL); + rk_domain = kzalloc(sizeof(*rk_domain), GFP_KERNEL); if (!rk_domain) return NULL; if (type == IOMMU_DOMAIN_DMA && iommu_get_dma_cookie(&rk_domain->domain)) - return NULL; + goto err_free_domain; /* * rk32xx iommus use a 2 level pagetable. @@ -1018,6 +1018,8 @@ err_free_dt: err_put_cookie: if (type == IOMMU_DOMAIN_DMA) iommu_put_dma_cookie(&rk_domain->domain); +err_free_domain: + kfree(rk_domain); return NULL; } @@ -1046,6 +1048,7 @@ static void rk_iommu_domain_free(struct iommu_domain *domain) if (domain->type == IOMMU_DOMAIN_DMA) iommu_put_dma_cookie(&rk_domain->domain); + kfree(rk_domain); } static int rk_iommu_add_device(struct device *dev) -- 2.20.1 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
