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| author | Karsten Graul <kgraul@linux.ibm.com> | 2019-01-30 18:51:06 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-01 14:45:45 -0800 |
| commit | 2dee25af42f99b476d5916aeac5c994e4dcc910b (patch) | |
| tree | b27d34e01aade5db71de45dbe45eeeb8bc6c1b19 /net | |
| parent | 33f3fcc290671590821ff3c0c9396db1ec9b7d4c (diff) | |
| download | linux-2dee25af42f99b476d5916aeac5c994e4dcc910b.tar.bz2 | |
net/smc: call smc_cdc_msg_send() under send_lock
Call smc_cdc_msg_send() under the connection send_lock to make sure all
send operations for one connection are serialized.
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/smc/smc_cdc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c index db83332ac1c8..1c5333d494e9 100644 --- a/net/smc/smc_cdc.c +++ b/net/smc/smc_cdc.c @@ -125,7 +125,10 @@ static int smcr_cdc_get_slot_and_msg_send(struct smc_connection *conn) if (rc) return rc; - return smc_cdc_msg_send(conn, wr_buf, pend); + spin_lock_bh(&conn->send_lock); + rc = smc_cdc_msg_send(conn, wr_buf, pend); + spin_unlock_bh(&conn->send_lock); + return rc; } int smc_cdc_get_slot_and_msg_send(struct smc_connection *conn) |