On 06/14/2013 11:18 AM, Michal Privoznik wrote: > On 14.06.2013 10:53, Guannan Ren wrote: >> On 06/13/2013 09:56 PM, Ján Tomko wrote: >>> + virBuffer buf = VIR_BUFFER_INITIALIZER; >>> + const char *format = NULL; >>> + >>> + virBufferAdd(&buf, fmt, -1); >>> + virBufferTrim(&buf, "\n", -1); >>> + >> >> We need a virBufferError checking here before formatting into >> a string. virBufferContentAndReset already checks for the error and returns NULL if there was one. The only possible error here is ENOMEM. > > In which case we want to got with fmt as provided. > > Michal > If we aren't going to report the buffer error, I think checking format for NULL should be enough. I'll squash this in before pushing: diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c index b462549..bb58415 100644 --- a/src/node_device/node_device_udev.c +++ b/src/node_device/node_device_udev.c @@ -374,10 +374,9 @@ udevLogFunction(struct udev *udev ATTRIBUTE_UNUSED, format = virBufferContentAndReset(&buf); - if (format) - virLogVMessage(VIR_LOG_FROM_LIBRARY, - virLogPriorityFromSyslog(priority), - file, line, fn, NULL, format, args); + virLogVMessage(VIR_LOG_FROM_LIBRARY, + virLogPriorityFromSyslog(priority), + file, line, fn, NULL, format ? format : fmt, args); VIR_FREE(format); } Jan -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list