vfio: fix resource leak

Coverity ID 13289: Resource leak:
The system resource will not be reclaimed and reused,
reducing the future availability of the resource.
In pci_vfio_get_group_fd: Leak of memory or pointers to system resources

Fixes: ff0b67d1c868 ("vfio: DMA mapping")

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
index fdfdeb4..10266f8 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
@@ -535,6 +535,7 @@ pci_vfio_get_group_fd(int iommu_group_no)
                /* if the fd is valid, create a new group for it */
                if (vfio_cfg.vfio_group_idx == VFIO_MAX_GROUPS) {
                        RTE_LOG(ERR, EAL, "Maximum number of VFIO groups reached!\n");
+                       close(vfio_group_fd);
                        return -1;
                }
                vfio_cfg.vfio_groups[vfio_cfg.vfio_group_idx].group_no = iommu_group_no;