From: Li Qiang <liq3ea@gmail.com>
To: alex.williamson@redhat.com, eric.auger@redhat.com
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
liqiang02@corp.netease.com, Li Qiang <liq3ea@gmail.com>
Subject: [PATCH] vfio: fix potential memory leak in vfio_msi_cap_len
Date: Mon, 27 Aug 2018 05:47:21 -0700 [thread overview]
Message-ID: <1535374041-3551-1-git-send-email-liq3ea@gmail.com> (raw)
Free the vdev->msi_perm in error path.
Signed-off-by: Li Qiang <liq3ea@gmail.com>
---
drivers/vfio/pci/vfio_pci_config.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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;
}
--
2.11.0
next reply other threads:[~2018-08-27 12:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-27 12:47 Li Qiang [this message]
2018-08-30 14:15 ` David Hildenbrand
2018-09-03 17:00 ` Auger Eric
2018-09-04 15:52 ` Alex Williamson
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