1 files changed, 4 insertions, 1 deletions

diff --git a/sys/dev/smc/if_smc.c b/sys/dev/smc/if_smc.c
index 22f8bab9e822b..4aa0396fbe88c 100644
--- a/sys/dev/smc/if_smc.c
+++ b/sys/dev/smc/if_smc.c
@@ -538,6 +538,7 @@ smc_task_tx(void *context, int pending)
 	struct smc_softc	*sc;
 	struct mbuf		*m, *m0;
 	u_int			packet, len;
+	int			last_len;
 	uint8_t			*data;
 
 	(void)pending;
@@ -590,16 +591,18 @@ smc_task_tx(void *context, int pending)
 	 * Push the data out to the device.
 	 */
 	data = NULL;
+	last_len = 0;
 	for (; m != NULL; m = m->m_next) {
 		data = mtod(m, uint8_t *);
 		smc_write_multi_2(sc, DATA0, (uint16_t *)data, m->m_len / 2);
+		last_len = m->m_len;
 	}
 
 	/*
 	 * Push out the control byte and and the odd byte if needed.
 	 */
 	if ((len & 1) != 0 && data != NULL)
-		smc_write_2(sc, DATA0, (CTRL_ODD << 8) | data[m->m_len - 1]);
+		smc_write_2(sc, DATA0, (CTRL_ODD << 8) | data[last_len - 1]);
 	else
 		smc_write_2(sc, DATA0, 0);