lkml.org 
[lkml]   [2019]   [Apr]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH] vfio-pci/nvlink2: Fix potential VMA leak
From
Date
If vfio_pci_register_dev_region() fails then we should rollback
previous changes, ie. unmap the ATSD registers.

Signed-off-by: Greg Kurz <groug@kaod.org>
---
drivers/vfio/pci/vfio_pci_nvlink2.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c
index 32f695ffe128..50fe3c4f7feb 100644
--- a/drivers/vfio/pci/vfio_pci_nvlink2.c
+++ b/drivers/vfio/pci/vfio_pci_nvlink2.c
@@ -472,6 +472,8 @@ int vfio_pci_ibm_npu2_init(struct vfio_pci_device *vdev)
return 0;

free_exit:
+ if (data->base)
+ memunmap(data->base);
kfree(data);

return ret;
\
 
 \ /
  Last update: 2019-04-19 20:26    [W:0.068 / U:0.896 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site