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Subject[PATCH] taskstats: use genl_register_family_with_ops()
Date
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
----
kernel/taskstats.c | 37 +++++++++++++------------------------
1 file changed, 13 insertions(+), 24 deletions(-)
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index 11281d5..d637a12 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -578,16 +578,17 @@ err:
nlmsg_free(rep_skb);
}

-static struct genl_ops taskstats_ops = {
- .cmd = TASKSTATS_CMD_GET,
- .doit = taskstats_user_cmd,
- .policy = taskstats_cmd_get_policy,
-};
-
-static struct genl_ops cgroupstats_ops = {
- .cmd = CGROUPSTATS_CMD_GET,
- .doit = cgroupstats_user_cmd,
- .policy = cgroupstats_cmd_get_policy,
+static struct genl_ops taskstats_ops[] = {
+ {
+ .cmd = TASKSTATS_CMD_GET,
+ .doit = taskstats_user_cmd,
+ .policy = taskstats_cmd_get_policy,
+ },
+ {
+ .cmd = CGROUPSTATS_CMD_GET,
+ .doit = cgroupstats_user_cmd,
+ .policy = cgroupstats_cmd_get_policy,
+ },
};

/* Needed early in initialization */
@@ -606,26 +607,14 @@ static int __init taskstats_init(void)
{
int rc;

- rc = genl_register_family(&family);
+ rc = genl_register_family_with_ops(&family, taskstats_ops,
+ ARRAY_SIZE(taskstats_ops));
if (rc)
return rc;

- rc = genl_register_ops(&family, &taskstats_ops);
- if (rc < 0)
- goto err;
-
- rc = genl_register_ops(&family, &cgroupstats_ops);
- if (rc < 0)
- goto err_cgroup_ops;
-
family_registered = 1;
printk("registered taskstats version %d\n", TASKSTATS_GENL_VERSION);
return 0;
-err_cgroup_ops:
- genl_unregister_ops(&family, &taskstats_ops);
-err:
- genl_unregister_family(&family);
- return rc;
}

/*

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