disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/mroute.h
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@@ -8,6 +8,7 @@
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 #include <net/fib_notifier.h>
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 #include <uapi/linux/mroute.h>
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 #include <linux/mroute_base.h>
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+#include <linux/sockptr.h>
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 #ifdef CONFIG_IP_MROUTE
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 static inline int ip_mroute_opt(int opt)
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@@ -15,7 +16,7 @@
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 	return opt >= MRT_BASE && opt <= MRT_MAX;
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 }
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-int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int);
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+int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int);
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 int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
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 int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg);
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 int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
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@@ -23,7 +24,7 @@
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 bool ipmr_rule_default(const struct fib_rule *rule);
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 #else
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 static inline int ip_mroute_setsockopt(struct sock *sock, int optname,
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-				       char __user *optval, unsigned int optlen)
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+				       sockptr_t optval, unsigned int optlen)
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 {
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 	return -ENOPROTOOPT;
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 }