I just committed this: +Thu Oct 16 15:41:00 CEST 2008 Chris Lalancette <clalance(a)redhat.com&gt; + * Compiling with -Werror showed a possible use before initialization + in src/qemu_driver.c. Make sure to initialize the olddisk ptr to + NULL. + Index: src/qemu_driver.c =================================================================== RCS file: /data/cvs/libvirt/src/qemu_driver.c,v retrieving revision 1.135 diff -u -r1.135 qemu_driver.c --- src/qemu_driver.c 13 Oct 2008 16:46:28 -0000 1.135 +++ src/qemu_driver.c 16 Oct 2008 13:42:17 -0000 @@ -2401,6 +2401,7 @@ return -1; } + origdisk = NULL; newdisk = dev->data.disk; for (i = 0 ; i < vm->def->ndisks ; i++) { if (vm->def->disks[i]->bus == newdisk->bus && -- Chris Lalancette