On Thu, Mar 27, 2014 at 03:17:09AM +0530, Nehal J Wani wrote: > While running qemucaps2xmltest, it was found that valgrind pointed out > the following memory leaks: > > ==29896== 0 bytes in 1 blocks are definitely lost in loss record 1 of 65 > ==29896== at 0x4A0577B: calloc (vg_replace_malloc.c:593) > ==29896== by 0x4C6B45E: virAllocN (viralloc.c:191) > ==29896== by 0x4232A9: virQEMUCapsGetMachineTypesCaps (qemu_capabilities.c:1999) > ==29896== by 0x4234E7: virQEMUCapsInitGuestFromBinary (qemu_capabilities.c:789) > ==29896== by 0x41F10B: testQemuCapsXML (qemucaps2xmltest.c:118) > ==29896== by 0x41FFD1: virtTestRun (testutils.c:201) > ==29896== by 0x41EE7A: mymain (qemucaps2xmltest.c:203) > ==29896== by 0x42074D: virtTestMain (testutils.c:789) > ==29896== by 0x3E6CE1ED1C: (below main) (libc-start.c:226) > ==29896== > ==29896== 0 bytes in 1 blocks are definitely lost in loss record 2 of 65 > ==29896== at 0x4A0577B: calloc (vg_replace_malloc.c:593) > ==29896== by 0x4C6B45E: virAllocN (viralloc.c:191) > ==29896== by 0x4232A9: virQEMUCapsGetMachineTypesCaps (qemu_capabilities.c:1999) > ==29896== by 0x4234E7: virQEMUCapsInitGuestFromBinary (qemu_capabilities.c:789) > ==29896== by 0x41F10B: testQemuCapsXML (qemucaps2xmltest.c:118) > ==29896== by 0x41FFD1: virtTestRun (testutils.c:201) > ==29896== by 0x41EEA3: mymain (qemucaps2xmltest.c:204) > ==29896== by 0x42074D: virtTestMain (testutils.c:789) > ==29896== by 0x3E6CE1ED1C: (below main) (libc-start.c:226) > > --- > src/qemu/qemu_capabilities.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c > index 7673592..aef8bc1 100644 > --- a/src/qemu/qemu_capabilities.c > +++ b/src/qemu/qemu_capabilities.c > @@ -789,6 +789,10 @@ virQEMUCapsInitGuestFromBinary(virCapsPtr caps, > if (virQEMUCapsGetMachineTypesCaps(qemubinCaps, &nmachines, &machines) < 0) > goto cleanup; > > + /* Free unneeded memory given by malloc(0) */ > + if (!nmachines) > + VIR_FREE(machines); > + > /* We register kvm as the base emulator too, since we can > * just give -no-kvm to disable acceleration if required */ > if ((guest = virCapabilitiesAddGuest(caps, This doesn't look at all right either. If nmachines is 0, then machines should already be NULL. Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :| -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list