There is a bogus test in cgroup_get_parent_name
which returns error in situation when 0 should be return.
This causes problem e.g. when a hierarchy is mounted to two
mount points.
CHANGELOG:
- the test is not removed but moved to the else part
EXAMPLE:
$ cat aux.conf
mount {
cpu = /cgroup/cpu;
cpuacct = /cgroup/cpu;
memory = /cgroup/memory;
}
group hXAjiy/wWRq {
cpu {}
memory {}
}
$ mkdir /mnt/cgroups/cpu 2>/dev/null
$ mount -t cgroup -o cpu,cpuacct cpu /mnt/cgroups/cpu
$ time cgconfigparser -l aux.conf
$ cgclear
$ cat /proc/cgroups
OLD output
#subsys_name hierarchy num_cgroups enabled
cpuset 0 1 1
ns 0 1 1
cpu 301 1 1
cpuacct 301 1 1
memory 303 3 1
devices 0 1 1
freezer 0 1 1
net_cls 0 1 1
blkio 0 1 1
New output
#subsys_name hierarchy num_cgroups enabled
cpuset 0 1 1
ns 0 1 1
cpu 0 1 1
cpuacct 0 1 1
memory 0 1 1
devices 0 1 1
freezer 0 1 1
net_cls 0 1 1
blkio 0 1 1
Signed-off-by: Ivana Hutarova Varekova <[email protected]>
---
0 files changed, 0 insertions(+), 0 deletions(-)
diff --git a/src/api.c b/src/api.c
index a51230b..7e2903d 100644
--- a/src/api.c
+++ b/src/api.c
@@ -1512,12 +1512,11 @@ static int cgroup_get_parent_name(struct cgroup
*cgroup, char **parent)
}
else {
*parent = strdup(pdir);
+ if (*parent == NULL)
+ ret = ECGFAIL;
}
free(dir);
- if (*parent == NULL)
- ret = ECGFAIL;
-
return ret;
}
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