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Message-ID: <20231123181546.521488-7-jiri@resnulli.us>
Date: Thu, 23 Nov 2023 19:15:43 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: kuba@...nel.org,
pabeni@...hat.com,
davem@...emloft.net,
edumazet@...gle.com,
jacob.e.keller@...el.com,
jhs@...atatu.com,
johannes@...solutions.net,
andriy.shevchenko@...ux.intel.com,
amritha.nambiar@...el.com,
sdf@...gle.com,
horms@...nel.org
Subject: [patch net-next v4 6/9] netlink: introduce typedef for filter function
From: Jiri Pirko <jiri@...dia.com>
Make the code using filter function a bit nicer by consolidating the
filter function arguments using typedef.
Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Jiri Pirko <jiri@...dia.com>
---
v2->v3:
- left the original .c and .h arg names and types
inconsistencies for cn_netlink_send_mult() and
netlink_broadcast_filtered()
v1->v2:
- new patch
---
drivers/connector/connector.c | 5 ++---
include/linux/connector.h | 3 +--
include/linux/netlink.h | 6 ++++--
net/netlink/af_netlink.c | 3 +--
4 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index 7f7b94f616a6..4028e8eeba82 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -59,9 +59,8 @@ static int cn_already_initialized;
* both, or if both are zero then the group is looked up and sent there.
*/
int cn_netlink_send_mult(struct cn_msg *msg, u16 len, u32 portid, u32 __group,
- gfp_t gfp_mask,
- int (*filter)(struct sock *dsk, struct sk_buff *skb, void *data),
- void *filter_data)
+ gfp_t gfp_mask, netlink_filter_fn filter,
+ void *filter_data)
{
struct cn_callback_entry *__cbq;
unsigned int size;
diff --git a/include/linux/connector.h b/include/linux/connector.h
index cec2d99ae902..70bc1160f3d8 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -100,8 +100,7 @@ void cn_del_callback(const struct cb_id *id);
*/
int cn_netlink_send_mult(struct cn_msg *msg, u16 len, u32 portid,
u32 group, gfp_t gfp_mask,
- int (*filter)(struct sock *dsk, struct sk_buff *skb,
- void *data),
+ netlink_filter_fn filter,
void *filter_data);
/**
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index abe91ed6b9aa..1a4445bf2ab9 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -228,10 +228,12 @@ bool netlink_strict_get_check(struct sk_buff *skb);
int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 portid, int nonblock);
int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 portid,
__u32 group, gfp_t allocation);
+
+typedef int (*netlink_filter_fn)(struct sock *dsk, struct sk_buff *skb, void *data);
+
int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb,
__u32 portid, __u32 group, gfp_t allocation,
- int (*filter)(struct sock *dsk,
- struct sk_buff *skb, void *data),
+ netlink_filter_fn filter,
void *filter_data);
int netlink_set_err(struct sock *ssk, __u32 portid, __u32 group, int code);
int netlink_register_notifier(struct notifier_block *nb);
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 177126fb0484..4ed8ffd58ff3 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1519,8 +1519,7 @@ static void do_one_broadcast(struct sock *sk,
int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb,
u32 portid,
u32 group, gfp_t allocation,
- int (*filter)(struct sock *dsk,
- struct sk_buff *skb, void *data),
+ netlink_filter_fn filter,
void *filter_data)
{
struct net *net = sock_net(ssk);
--
2.41.0
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