net/smc: drop messages when link state is inactive

Drop incoming messages when the link is flagged as inactive.

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/smc_llc.c b/net/smc/smc_llc.c
index 5d7926c..5800a6b 100644 (file)
--- a/net/smc/smc_llc.c
+++ b/net/smc/smc_llc.c
@@ -548,6 +548,8 @@ static void smc_llc_rx_handler(struct ib_wc *wc, void *buf)
                return; /* short message */
        if (llc->raw.hdr.length != sizeof(*llc))
                return; /* invalid message */
+       if (link->state == SMC_LNK_INACTIVE)
+               return; /* link not active, drop msg */
 
        switch (llc->raw.hdr.common.type) {
        case SMC_LLC_TEST_LINK: