From: Karsten Graul <kgraul@linux.ibm.com>
Date: Tue, 18 Sep 2018 13:46:37 +0000 (+0200)
Subject: net/smc: no urgent data check for listen sockets
X-Git-Tag: v4.19-rc6~26^2~33^2~1
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=71d117f527425e2d6a5029e8365d82a8d2d6916a;p=users%2Fhch%2Fblock.git

net/smc: no urgent data check for listen sockets

Don't check a listen socket for pending urgent data in smc_poll().

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 5c6d30eb4a71..015231789ed2 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1566,9 +1566,9 @@ static __poll_t smc_poll(struct file *file, struct socket *sock,
 				mask |= EPOLLIN | EPOLLRDNORM | EPOLLRDHUP;
 			if (sk->sk_state == SMC_APPCLOSEWAIT1)
 				mask |= EPOLLIN;
+			if (smc->conn.urg_state == SMC_URG_VALID)
+				mask |= EPOLLPRI;
 		}
-		if (smc->conn.urg_state == SMC_URG_VALID)
-			mask |= EPOLLPRI;
 	}
 
 	return mask;