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-rw-r--r--net/core/sock.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index 4ed7b1d..2de9dc2 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1204,7 +1204,14 @@ void sk_release_kernel(struct sock *sk)
}
EXPORT_SYMBOL(sk_release_kernel);
-struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
+/**
+ * sk_clone_lock - clone a socket, and lock its clone
+ * @sk: the socket to clone
+ * @priority: for allocation (%GFP_KERNEL, %GFP_ATOMIC, etc)
+ *
+ * Caller must unlock socket even in error path (bh_unlock_sock(newsk))
+ */
+struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
{
struct sock *newsk;
@@ -1297,7 +1304,7 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
out:
return newsk;
}
-EXPORT_SYMBOL_GPL(sk_clone);
+EXPORT_SYMBOL_GPL(sk_clone_lock);
void sk_setup_caps(struct sock *sk, struct dst_entry *dst)
{