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| author | Li Qiang <liq3ea@gmail.com> | 2018-09-25 13:01:27 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-20 18:00:40 +0100 |
| commit | f1b10ba5739440ca51d66f0b2949cead88d2dd02 (patch) | |
| tree | 47f9619b48949303d23b81d5ff3a6996927ffef9 | |
| parent | 4cb9af0d93bd98fde55492885458f58fcf370b28 (diff) | |
| download | linux-rt-f1b10ba5739440ca51d66f0b2949cead88d2dd02.tar.gz | |
vfio/pci: Fix potential memory leak in vfio_msi_cap_len
[ Upstream commit 30ea32ab1951c80c6113f300fce2c70cd12659e4 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_config.c | 4 |
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; } |