[libvirt] [PATCH] qemu_command: Fix memleak in qemuBuildFloppyCommandLineControllerOptions

[Erik Skultety]

On Thu, Aug 16, 2018 at 12:22:24PM +0200, Michal Privoznik wrote:
> Even though the buffer is passed to virCommand we still need to
> free it.
>
> ==191201== 1,010 bytes in 1 blocks are definitely lost in loss record 826 of 836
> ==191201==    at 0x4C2CE3F: malloc (vg_replace_malloc.c:298)
> ==191201==    by 0x4C2F1BF: realloc (vg_replace_malloc.c:785)
> ==191201==    by 0x5D39E82: virReallocN (viralloc.c:245)
> ==191201==    by 0x5D3E8F2: virBufferGrow (virbuffer.c:150)
> ==191201==    by 0x5D3E9C8: virBufferAdd (virbuffer.c:185)
> ==191201==    by 0x56EAC98: qemuBuildFloppyCommandLineControllerOptions (qemu_command.c:2162)
> ==191201==    by 0x56EB3E1: qemuBuildDisksCommandLine (qemu_command.c:2370)
> ==191201==    by 0x570055E: qemuBuildCommandLine (qemu_command.c:10315)
> ==191201==    by 0x575EA7F: qemuProcessCreatePretendCmd (qemu_process.c:6777)
> ==191201==    by 0x113DAB: testCompareXMLToArgv (qemuxml2argvtest.c:598)
> ==191201==    by 0x13A75B: virTestRun (testutils.c:180)
> ==191201==    by 0x138BE8: mymain (qemuxml2argvtest.c:2975)
>
> Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
> ---

Reviewed-by: Erik Skultety <eskultet at redhat.com>