[Spice-devel] patch[1/1] fix a memory leak in qxl_screen_init

longguang.yue bigclouds at 163.com
Wed Mar 26 09:25:28 PDT 2014


please forgive my ignore.

jwhite you are right, i post a new patch as you suggest.
 
thanks







At 2013-11-19 20:21:35,"Marian Krcmarik" <mkrcmari at redhat.com> wrote:
>ping..
>
>"bigclouds",
>are you willing to finish the patch and address Jeremy's comment? It's imo worthy to fix and It would be nice If you can finish that.
>
>----- Original Message -----
>> From: "Jeremy White" <jwhite at codeweavers.com>
>> To: "bigclouds" <bigclouds at 163.com>
>> Cc: spice-devel at lists.freedesktop.org
>> Sent: Wednesday, November 6, 2013 4:28:45 PM
>> Subject: Re: [Spice-devel] patch[1/1] fix a memory leak  in qxl_screen_init
>> 
>> On 11/06/2013 08:48 AM, bigclouds wrote:
>> > it is needed to detect the return of qxl_uxa_init  in qxl_screen_init .
>> 
>> I don't think we have understood each other.
>> 
>> There is a duplicate allocation; you are trying to fix that.  As I
>> understand it, your patch removes the allocation in qxl_uxa_init and
>> leaves only the one in qxl_screen_init.
>> 
>> I said that it seems to me it would be better to remove the allocation
>> in qxl_screen_init and leave only the one in qxl_uxa_init.
>> 
>> If you're concerned about error conditions propagating, you can change
>> qxl_driver to check the return status of qxl_uxa_init.
>> 
>> Cheers,
>> 
>> Jeremy
>> 
>> > 
>> > 
>> > 
>> > 
>> > 
>> > 
>> > At 2013-11-06 21:59:58,"Jeremy White" <jwhite at codeweavers.com> wrote:
>> >>Nice catch!
>> >>
>> >>On 11/06/2013 03:37 AM, bigclouds wrote:
>> >>> hi, it allocate twice memory for qxl->uxa in function qxl_screen_init and
>> >>> qxl_uxa_init
>> >>> -----------------
>> >>> diff --git a/src/qxl_driver.c b/src/qxl_driver.c
>> >>> index 91ba6c2..6be61e4 100644
>> >>> --- a/src/qxl_driver.c
>> >>> +++ b/src/qxl_driver.c
>> >>> @@ -746,7 +746,9 @@ qxl_screen_init (SCREEN_INIT_ARGS_DECL)
>> >>>       }
>> >>>       qxl->uxa = uxa_driver_alloc ();
>> >>> -
>> >>> +    if (qxl->uxa == NULL)
>> >>> +return FALSE;
>> >>> +
>> >>
>> >>Wouldn't it be better to just delete this instance of the
>> >>allocation and leave it all in qxl_uxa.c?
>> >>
>> >>Also, just a kibitz, but most open source projects require
>> >>a full name on a submitted patch.
>> >>
>> >>Cheers,
>> >>
>> >>Jeremy
>> >>_______________________________________________
>> >>Spice-devel mailing list
>> >>Spice-devel at lists.freedesktop.org
>> >>http://lists.freedesktop.org/mailman/listinfo/spice-devel
>> > 
>> > 
>> > 
>> 
>> _______________________________________________
>> Spice-devel mailing list
>> Spice-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/spice-devel
>> 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/spice-devel/attachments/20140327/b77283c0/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-fix-memory-leak-when-alloc-uxa.patch
Type: application/octet-stream
Size: 681 bytes
Desc: not available
URL: <http://lists.freedesktop.org/archives/spice-devel/attachments/20140327/b77283c0/attachment-0001.obj>


More information about the Spice-devel mailing list