#include <net/netlink.h>
#include <net/genetlink.h>
+static const struct genl_multicast_group quota_mcgrps[] = {
+ { .name = "events", },
+};
+
/* Netlink family structure for quota */
static struct genl_family quota_genl_family = {
- .id = GENL_ID_GENERATE,
+ /*
+ * Needed due to multicast group ID abuse - old code assumed
+ * the family ID was also a valid multicast group ID (which
+ * isn't true) and userspace might thus rely on it. Assign a
+ * static ID for this group to make dealing with that easier.
+ */
+ .id = GENL_ID_VFS_DQUOT,
.hdrsize = 0,
.name = "VFS_DQUOT",
.version = 1,
.maxattr = QUOTA_NL_A_MAX,
+ .mcgrps = quota_mcgrps,
+ .n_mcgrps = ARRAY_SIZE(quota_mcgrps),
};
/**
goto attr_err_out;
genlmsg_end(skb, msg_head);
- genlmsg_multicast(skb, 0, quota_genl_family.id, GFP_NOFS);
+ genlmsg_multicast("a_genl_family, skb, 0, 0, GFP_NOFS);
return;
attr_err_out:
printk(KERN_ERR "VFS: Not enough space to compose quota message!\n");