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authorLi Qiang <liq3ea@gmail.com>2018-09-25 13:01:27 -0600
committerAlex Williamson <alex.williamson@redhat.com>2018-09-25 13:01:27 -0600
commit30ea32ab1951c80c6113f300fce2c70cd12659e4 (patch)
treee0c09718dca442dc2ab3565cb7984bdd73608fa3 /drivers/vfio/pci/vfio_pci_config.c
parent6bf4ca7fbc85d80446ac01c0d1d77db4d91a6d84 (diff)
vfio/pci: Fix potential memory leak in vfio_msi_cap_len
Free allocated vdev->msi_perm in error path. Signed-off-by: Li Qiang <liq3ea@gmail.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio/pci/vfio_pci_config.c')
-rw-r--r--drivers/vfio/pci/vfio_pci_config.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
index 115a36f6f403..62023b4a373b 100644
--- a/drivers/vfio/pci/vfio_pci_config.c
+++ b/drivers/vfio/pci/vfio_pci_config.c
@@ -1180,8 +1180,10 @@ static int vfio_msi_cap_len(struct vfio_pci_device *vdev, u8 pos)
return -ENOMEM;
ret = init_pci_cap_msi_perm(vdev->msi_perm, len, flags);
- if (ret)
+ if (ret) {
+ kfree(vdev->msi_perm);
return ret;
+ }
return len;
}