diff mbox series

[v2,1/6] gqa-win: get_pci_info: Clean dev_info if handle is valid

Message ID 20211214124109.103102-2-konstantin@daynix.com (mailing list archive)
State New, archived
Headers show
Series gqa-win: get_pci_info: Fix memory leak | expand

Commit Message

Konstantin Kostiuk Dec. 14, 2021, 12:41 p.m. UTC 
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
Signed-off-by: Kostiantyn Kostiuk <konstantin@daynix.com>
---
 qga/commands-win32.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Marc-André Lureau Dec. 14, 2021, 1:26 p.m. UTC | #1 
On Tue, Dec 14, 2021 at 4:41 PM Kostiantyn Kostiuk
<konstantin@daynix.com> wrote:
>
> Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
> Signed-off-by: Kostiantyn Kostiuk <konstantin@daynix.com>

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>

> ---
>  qga/commands-win32.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/qga/commands-win32.c b/qga/commands-win32.c
> index 4e84afd83b..3dd74fe225 100644
> --- a/qga/commands-win32.c
> +++ b/qga/commands-win32.c
> @@ -514,7 +514,7 @@ DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT,
>
>  static GuestPCIAddress *get_pci_info(int number, Error **errp)
>  {
> -    HDEVINFO dev_info;
> +    HDEVINFO dev_info = INVALID_HANDLE_VALUE;
>      SP_DEVINFO_DATA dev_info_data;
>      SP_DEVICE_INTERFACE_DATA dev_iface_data;
>      HANDLE dev_file;
> @@ -749,7 +749,9 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp)
>      }
>
>  free_dev_info:
> -    SetupDiDestroyDeviceInfoList(dev_info);
> +    if (dev_info != INVALID_HANDLE_VALUE) {
> +        SetupDiDestroyDeviceInfoList(dev_info);
> +    }
>  out:
>      return pci;
>  }
> --
> 2.25.1
>
diff mbox series

Patch

diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 4e84afd83b..3dd74fe225 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -514,7 +514,7 @@  DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT,
 
 static GuestPCIAddress *get_pci_info(int number, Error **errp)
 {
-    HDEVINFO dev_info;
+    HDEVINFO dev_info = INVALID_HANDLE_VALUE;
     SP_DEVINFO_DATA dev_info_data;
     SP_DEVICE_INTERFACE_DATA dev_iface_data;
     HANDLE dev_file;
@@ -749,7 +749,9 @@  static GuestPCIAddress *get_pci_info(int number, Error **errp)
     }
 
 free_dev_info:
-    SetupDiDestroyDeviceInfoList(dev_info);
+    if (dev_info != INVALID_HANDLE_VALUE) {
+        SetupDiDestroyDeviceInfoList(dev_info);
+    }
 out:
     return pci;
 }