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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>
This commit is contained in:
Karsten Graul 2018-05-15 17:05:02 +02:00 committed by David S. Miller
parent 3cf52eb11f
commit 8f332a743c
1 changed files with 2 additions and 0 deletions
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2
net/smc/smc_llc.c
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@ -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: