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Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h15
1 files changed, 5 insertions, 10 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 7f89e4ba18d1..62d35afcb3ac 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -58,6 +58,7 @@
#include <linux/memcontrol.h>
#include <linux/static_key.h>
#include <linux/sched.h>
+#include <linux/wait.h>
#include <linux/filter.h>
#include <linux/rculist_nulls.h>
@@ -1879,12 +1880,12 @@ static inline bool sk_has_allocations(const struct sock *sk)
}
/**
- * wq_has_sleeper - check if there are any waiting processes
+ * skwq_has_sleeper - check if there are any waiting processes
* @wq: struct socket_wq
*
* Returns true if socket_wq has waiting processes
*
- * The purpose of the wq_has_sleeper and sock_poll_wait is to wrap the memory
+ * The purpose of the skwq_has_sleeper and sock_poll_wait is to wrap the memory
* barrier call. They were added due to the race found within the tcp code.
*
* Consider following tcp code paths:
@@ -1910,15 +1911,9 @@ static inline bool sk_has_allocations(const struct sock *sk)
* data on the socket.
*
*/
-static inline bool wq_has_sleeper(struct socket_wq *wq)
+static inline bool skwq_has_sleeper(struct socket_wq *wq)
{
- /* We need to be sure we are in sync with the
- * add_wait_queue modifications to the wait queue.
- *
- * This memory barrier is paired in the sock_poll_wait.
- */
- smp_mb();
- return wq && waitqueue_active(&wq->wait);
+ return wq && wq_has_sleeper(&wq->wait);
}
/**