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vfio/pci: fix potential memory leak in vfio_intx_enable()

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commit 82b951e6fbd31d85ae7f4feb5f00ddd4c5d256e2 upstream.

If vfio_irq_ctx_alloc() failed will lead to 'name' memory leak.

Fixes: 18c198c96a81 ("vfio/pci: Create persistent INTx handler")
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lore.kernel.org/r/20240415015029.3699844-1-yebin10@huawei.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Oleksandr Tymoshenko <ovt@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ye Bin
2024-04-15 09:50:29 +08:00
committed by Greg Kroah-Hartman
parent 657ca82526
commit 91ced077db
1 changed files with 3 additions and 1 deletions
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4
drivers/vfio/pci/vfio_pci_intrs.c
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@@ -215,8 +215,10 @@ static int vfio_intx_enable(struct vfio_pci_core_device *vdev,
return -ENOMEM; return -ENOMEM;
vdev->ctx = kzalloc(sizeof(struct vfio_pci_irq_ctx), GFP_KERNEL_ACCOUNT); vdev->ctx = kzalloc(sizeof(struct vfio_pci_irq_ctx), GFP_KERNEL_ACCOUNT);
if (!vdev->ctx) if (!vdev->ctx) {
kfree(name);
return -ENOMEM; return -ENOMEM;
}
vdev->num_ctx = 1; vdev->num_ctx = 1;