Fix module build for Linux v6.11

adapt to
"sysctl: treewide: constify the ctl_table argument of proc_handlers"
(78eb4ea25cd5fdbdae7eb9fdf87b99195ff67508) in v6.11-rc1

Signed-off-by: Andreas Beckmann <anbe@debian.org>

Author: anbe42

compat.h

@@ -794,4 +794,10 @@ struct module *find_module(const char *name)
 # define NF_CT_EVENT const struct nf_ct_event
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,11,0)
+#define procctl_const const
+#else
+#define procctl_const
+#endif
+
 #endif /* COMPAT_NETFLOW_H */

ipt_NETFLOW.c

@@ -1520,7 +1520,7 @@ static int switch_promisc(int newpromisc)
 
 #ifdef CONFIG_SYSCTL
 /* sysctl /proc/sys/net/netflow */
-static int hsize_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int hsize_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int ret, hsize;
@@ -1537,7 +1537,7 @@ static int hsize_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp
 		return ret;
 }
 
-static int sndbuf_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int sndbuf_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int ret;
@@ -1572,7 +1572,7 @@ static int sndbuf_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *fil
 }
 
 static void free_templates(void);
-static int destination_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int destination_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int ret;
@@ -1589,7 +1589,7 @@ static int destination_procctl(ctl_table *ctl, int write, BEFORE2632(struct file
 }
 
 #ifdef ENABLE_AGGR
-static int aggregation_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int aggregation_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int ret;
@@ -1604,7 +1604,7 @@ static int aggregation_procctl(ctl_table *ctl, int write, BEFORE2632(struct file
 #endif
 
 #ifdef ENABLE_PROMISC
-static int promisc_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int promisc_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int newpromisc = promisc;
@@ -1621,7 +1621,7 @@ static int promisc_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *fi
 
 #ifdef ENABLE_SAMPLER
 static int parse_sampler(char *ptr);
-static int sampler_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int sampler_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int ret;
@@ -1654,7 +1654,7 @@ static int sampler_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *fi
 
 #ifdef SNMP_RULES
 static int add_snmp_rules(char *ptr);
-static int snmp_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int snmp_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
        int ret;
@@ -1679,7 +1679,7 @@ static void clear_ipt_netflow_stat(void)
 	}
 }
 
-static int flush_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int flush_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int ret;
@@ -1708,7 +1708,7 @@ static int flush_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp
 	return ret;
 }
 
-static int protocol_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int protocol_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int ret;
@@ -1741,7 +1741,7 @@ static int protocol_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *f
 #ifdef CONFIG_NF_NAT_NEEDED
 static void register_ct_events(void);
 static void unregister_ct_events(void);
-static int natevents_procctl(ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
+static int natevents_procctl(procctl_const ctl_table *ctl, int write, BEFORE2632(struct file *filp,)
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int ret;