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virLogHostnameString: Don't leak hostname

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Once @hostname is printed into @hoststr we don't need it anymore.

==6879== 5 bytes in 1 blocks are definitely lost in loss record 10 of 1,064
==6879==    at 0x4C29F80: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==6879==    by 0xA7ED599: strdup (in /lib64/libc-2.21.so)
==6879==    by 0x552C126: virStrdup (virstring.c:726)
==6879==    by 0x553B13E: virGetHostnameImpl (virutil.c:720)
==6879==    by 0x553B1BF: virGetHostnameQuiet (virutil.c:741)
==6879==    by 0x54FA3FD: virLogHostnameString (virlog.c:462)
==6879==    by 0x54FAB0F: virLogVMessage (virlog.c:645)
==6879==    by 0x54FA680: virLogMessage (virlog.c:531)
==6879==    by 0x54FBBF4: virLogParseOutputs (virlog.c:1130)
==6879==    by 0x11CB4F: daemonSetupLogging (libvirtd.c:685)
==6879==    by 0x11E137: main (libvirtd.c:1297)

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-01-06 17:07:06 +01:00
parent b9cad8b707
commit 9f7506488a
1 changed files with 1 additions and 0 deletions
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src/util/virlog.c
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@ -469,6 +469,7 @@ virLogHostnameString(const char **rawmsg,
VIR_FREE(hostname);
return -1;
}
VIR_FREE(hostname);
if (virLogFormatString(msg, 0, NULL, VIR_LOG_INFO, hoststr) < 0) {
VIR_FREE(hoststr);