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* tools/virsh.c: avoid memory leak in cmdVolPath. * src/libvirt.c: Add doc for virStorageVolGetPath to tell one must free() the returned path after use. * how to reproduce? % dd if=/dev/zero of=/var/lib/libvirt/images/foo.img count=1 bs=10M % virsh pool-refresh default % valgrind -v --leak-check=full virsh vol-path --vol \ /var/lib/libvirt/images/foo.img * actual results: Detected in valgrind run: ==16436== 32 bytes in 1 blocks are definitely lost in loss record 7 of 22 ==16436== at 0x4A05FDE: malloc (vg_replace_malloc.c:236) ==16436== by 0x386A314B3D: xdr_string (in /lib64/libc-2.12.so) ==16436== by 0x3DF8CD770D: xdr_remote_nonnull_string (remote_protocol.c:3 ==16436== by 0x3DF8CD7EC8: xdr_remote_storage_vol_get_path_ret % virsh pool-refresh default % valgrind -v --leak-check=full virsh vol-path --vol \ /var/lib/libvirt/images/foo.img Signed-off-by: Alex Jia <ajia@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>