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(parent: 852b1be) | patch
vfio iommu type1: Fix memory leak in vfio_iommu_type1_pin_pages
authorXiaoyang Xu <xuxiaoyang2@huawei.com>
Fri, 16 Oct 2020 09:35:58 +0000 (17:35 +0800)
committerAlex Williamson <alex.williamson@redhat.com>
Tue, 20 Oct 2020 16:12:17 +0000 (10:12 -0600)
commit2e6cfd496f5b57034cf2aec738799571b5a52124
treee3d4ec36020175bfb34add2a2aaf72e2a3711782tree | snapshot
parent852b1beecb6ff9326f7ca4bc0fe69ae860ebdb9ecommit | diff
vfio iommu type1: Fix memory leak in vfio_iommu_type1_pin_pages

pfn is not added to pfn_list when vfio_add_to_pfn_list fails.
vfio_unpin_page_external will exit directly without calling
vfio_iova_put_vfio_pfn.  This will lead to a memory leak.

Fixes: a54eb55045ae ("vfio iommu type1: Add support for mediated devices")
Signed-off-by: Xiaoyang Xu <xuxiaoyang2@huawei.com>
[aw: simplified logic, add Fixes]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/vfio/vfio_iommu_type1.c diff | blob | history
Domain: System / Kernel;