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cgroup: update cgns prefix *after* using it

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We're using the old cgns prefix length in allocating dirnew, so let's not
update it before that.

travis-ci: success for cgroup: update cgns prefix *after* using it
Signed-off-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Tycho Andersen 2016-10-31 22:07:00 +03:00 • committed by Pavel Emelyanov
parent 1d19f48807
commit 2fa8062e3c
1 changed files with 1 additions and 1 deletions
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2
criu/cgroup.c
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@ -1712,7 +1712,6 @@ static int rewrite_cgsets(CgroupEntry *cge, char **controllers, int n_controller
return -ENOMEM;
}
xfree(prev);
cg->cgns_prefix = strlen(newroot);
if (!dirnew) {
/* -1 because cgns_prefix includes leading "/" */
@ -1720,6 +1719,7 @@ static int rewrite_cgsets(CgroupEntry *cge, char **controllers, int n_controller
if (!dirnew)
return -ENOMEM;
}
cg->cgns_prefix = strlen(newroot);
} else {
char *prev = cg->path;
/*