From: Dan Carpenter <dan.carpenter@oracle.com>
To: Sudeep Dutt <sudeep.dutt@intel.com>
Cc: Ashutosh Dixit <ashutosh.dixit@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch 1/2] misc: mic: use after free printing error message
Date: Fri, 12 Feb 2016 06:40:26 +0000 [thread overview]
Message-ID: <20160212064026.GD22756@mwanda> (raw)
Swap the printk and kfree() to avoid a use after free bug.
Fixes: 61e9c905df78 ('misc: mic: Enable VOP host side functionality')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/misc/mic/vop/vop_vringh.c b/drivers/misc/mic/vop/vop_vringh.c
index c1dd000..c3613f3 100644
--- a/drivers/misc/mic/vop/vop_vringh.c
+++ b/drivers/misc/mic/vop/vop_vringh.c
@@ -290,9 +290,9 @@ static int vop_virtio_add_device(struct vop_vdev *vdev,
ret = vop_copy_dp_entry(vdev, argp, &type, &dd);
if (ret) {
- kfree(vdev);
dev_err(vop_dev(vdev), "%s %d err %d\n",
__func__, __LINE__, ret);
+ kfree(vdev);
return ret;
}
reply other threads:[~2016-02-12 6:40 UTC|newest]
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