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authorKarsten Graul <kgraul@linux.vnet.ibm.com>2018-02-28 12:44:07 +0100
committerDavid S. Miller <davem@davemloft.net>2018-02-28 12:30:25 -0500
commitcbba07a726fb6b52b48d24ffd27e36f7278864e0 (patch)
tree8bdf681a8a44dfcd5936d83c6d03c9eeb49b4064 /net
parent4e09ff5362843dff3accfa84c805c7f3a99de9cd (diff)
downloadlinux-cbba07a726fb6b52b48d24ffd27e36f7278864e0.tar.bz2
net/smc: use a constant for control message length
The sizeof(struct smc_cdc_msg) evaluates to 48 bytes instead of the required 44 bytes. We need to use the constant value of SMC_WR_TX_SIZE to set and check the control message length. Signed-off-by: Karsten Graul <kgraul@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/smc/smc_cdc.c2
-rw-r--r--net/smc/smc_core.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c
index 3cd086e5bd28..b42395d24cba 100644
--- a/net/smc/smc_cdc.c
+++ b/net/smc/smc_cdc.c
@@ -269,7 +269,7 @@ static void smc_cdc_rx_handler(struct ib_wc *wc, void *buf)
if (wc->byte_len < offsetof(struct smc_cdc_msg, reserved))
return; /* short message */
- if (cdc->len != sizeof(*cdc))
+ if (cdc->len != SMC_WR_TX_SIZE)
return; /* invalid message */
smc_cdc_msg_recv(cdc, link, wc->wr_id);
}
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 2424c7100aaf..053f0e66bec7 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -465,7 +465,7 @@ create:
rc = smc_link_determine_gid(conn->lgr);
}
conn->local_tx_ctrl.common.type = SMC_CDC_MSG_TYPE;
- conn->local_tx_ctrl.len = sizeof(struct smc_cdc_msg);
+ conn->local_tx_ctrl.len = SMC_WR_TX_SIZE;
#ifndef KERNEL_HAS_ATOMIC64
spin_lock_init(&conn->acurs_lock);
#endif