Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / kernel / events / core.c

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 7da5e561e89a89702276e945bdb766612231085a..5fa58e4cffac3a7f2c7144fda8aeb72e6fc05a98 100644 (file)
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -608,7 +608,8 @@ static inline int perf_cgroup_connect(int fd, struct perf_event *event,
        if (!f.file)
                return -EBADF;
 
-       css = css_tryget_from_dir(f.file->f_dentry, &perf_event_cgrp_subsys);
+       css = css_tryget_online_from_dir(f.file->f_dentry,
+                                        &perf_event_cgrp_subsys);
        if (IS_ERR(css)) {
                ret = PTR_ERR(css);
                goto out;