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Diffstat (limited to 'include')
-rw-r--r--include/linux/bpfptr.h8
-rw-r--r--include/net/mptcp.h4
2 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/bpfptr.h b/include/linux/bpfptr.h
index 46e1757d06a3..79b2f78eec1a 100644
--- a/include/linux/bpfptr.h
+++ b/include/linux/bpfptr.h
@@ -49,7 +49,9 @@ static inline void bpfptr_add(bpfptr_t *bpfptr, size_t val)
static inline int copy_from_bpfptr_offset(void *dst, bpfptr_t src,
size_t offset, size_t size)
{
- return copy_from_sockptr_offset(dst, (sockptr_t) src, offset, size);
+ if (!bpfptr_is_kernel(src))
+ return copy_from_user(dst, src.user + offset, size);
+ return copy_from_kernel_nofault(dst, src.kernel + offset, size);
}
static inline int copy_from_bpfptr(void *dst, bpfptr_t src, size_t size)
@@ -78,7 +80,9 @@ static inline void *kvmemdup_bpfptr(bpfptr_t src, size_t len)
static inline long strncpy_from_bpfptr(char *dst, bpfptr_t src, size_t count)
{
- return strncpy_from_sockptr(dst, (sockptr_t) src, count);
+ if (bpfptr_is_kernel(src))
+ return strncpy_from_kernel_nofault(dst, src.kernel, count);
+ return strncpy_from_user(dst, src.user, count);
}
#endif /* _LINUX_BPFPTR_H */
diff --git a/include/net/mptcp.h b/include/net/mptcp.h
index ac9cf7271d46..412479ebf5ad 100644
--- a/include/net/mptcp.h
+++ b/include/net/mptcp.h
@@ -291,4 +291,8 @@ struct mptcp_sock *bpf_mptcp_sock_from_subflow(struct sock *sk);
static inline struct mptcp_sock *bpf_mptcp_sock_from_subflow(struct sock *sk) { return NULL; }
#endif
+#if !IS_ENABLED(CONFIG_MPTCP)
+struct mptcp_sock { };
+#endif
+
#endif /* __NET_MPTCP_H */