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Merge pull request #3029 from brauner/2019-06-05/fix_offline_cpus

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cgroups: prevent segfault
This commit is contained in:
Stéphane Graber 2019-06-05 13:09:42 +02:00 committed by GitHub
commit 1d51e3de49
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1 changed files with 3 additions and 3 deletions
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6
src/lxc/cgroups/cgfsng.c
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@ -453,8 +453,10 @@ static bool cg_legacy_filter_and_set_cpus(char *path, bool am_initialized)
TRACE("The path \""__OFFLINE_CPUS"\" to read offline cpus from does not exist");
}
if ((maxisol == 0) && (maxoffline == 0))
if ((maxisol == 0) && (maxoffline == 0)) {
cpulist = move_ptr(posscpus);
goto copy_parent;
}
possmask = lxc_cpumask(posscpus, maxposs);
if (!possmask) {
@ -506,8 +508,6 @@ copy_parent:
fpath = must_make_path(path, "cpuset.cpus", NULL);
ret = lxc_write_to_file(fpath, cpulist, strlen(cpulist), false,
0666);
if (cpulist == posscpus)
cpulist = NULL;
if (ret < 0) {
SYSERROR("Failed to write cpu list to \"%s\"", fpath);
return false;