From: Johannes Berg <johannes.berg@xxxxxxxxx>
This simplifies the code since there's no longer a
need to have error handling in the registration.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
kernel/taskstats.c | 39 ++++++++++++++-------------------------
1 file changed, 14 insertions(+), 25 deletions(-)
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index 9f4618e..609e77f 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -673,17 +673,18 @@ err:
nlmsg_free(rep_skb);
}
-static struct genl_ops taskstats_ops = {
- .cmd = TASKSTATS_CMD_GET,
- .doit = taskstats_user_cmd,
- .policy = taskstats_cmd_get_policy,
- .flags = GENL_ADMIN_PERM,
-};
-
-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,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = CGROUPSTATS_CMD_GET,
+ .doit = cgroupstats_user_cmd,
+ .policy = cgroupstats_cmd_get_policy,
+ },
};
/* Needed early in initialization */
@@ -702,26 +703,14 @@ 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;
pr_info("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;
}
/*
--
1.8.4.rc3
--
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