On 05/24/2010 12:10 PM, Nigel Jones wrote:
>>From 6c8183e83fbfeb031b16cf9ae2d41b16e3145378 Mon Sep 17 00:00:00 2001
> From: Nigel Jones <dev@xxxxxxxxxx>
> Date: Mon, 24 May 2010 15:05:53 +0000
> Subject: [PATCH] Patch 2 memory leaks.
>
> 1. Ensure that memory is free'd from udevAddOneDevice() if the return
> value will be non-zero
> 2. Release udev device reference in udevEventHandleCallback()
> similar to the release of the reference in udevProcessDeviceListEntry()
> ---
> src/node_device/node_device_udev.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/src/node_device/node_device_udev.c
> b/src/node_device/node_device_udev.c
> index a1ced87..4d0effa 100644
> --- a/src/node_device/node_device_udev.c
> +++ b/src/node_device/node_device_udev.c
> @@ -1296,6 +1296,9 @@ static int udevAddOneDevice(struct udev_device *device)
> ret = 0;
>
> out:
> + if (ret != 0) {
> + virNodeDeviceDefFree(def); /* Free assigned memory to prevent leaks */
> + }
> return ret;
> }
>
> @@ -1426,6 +1429,7 @@ static void udevEventHandleCallback(int watch
> ATTRIBUTE_UNUSED,
> }
>
> out:
> + udev_device_unref(device);
> return;
> }
>
Good catch on both of these. I had to convince myself that udev_device_unref()
would handle a NULL device (in the case of error before we allocated device), but it does.
ACK
--
Chris Lalancette
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