On 06/02/2014 08:52 AM, Michal Privoznik wrote: > Our public free functions explicitly don't accept NULL pointers > (sigh). Therefore, callers must do something like this: > > if (dev) > virNodeDeviceFree(dev); Back-compat stinks - changing an error into silent success may break older code that was relying on the error, so I'm not brave enough to change the public API. I wonder if it would be appropriate to annotate our public API with non-NULL markers, so that at least the compiler could warn on calls to the API with a NULL pointer. > > And we are not doing that on two places I've found. This leads to > dummy error message thrown by virsh: > > virsh # nodedev-dumpxml nonexistent-device > error: Could not find matching device 'nonexistent-device' > error: invalid node device pointer in virNodeDeviceFree > > Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx> > --- > tools/virsh-nodedev.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) At any rate, whether or not we choose to make further changes to libvirt.h, your patch is stand-alone correct. ACK. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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