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path: root/drivers/rapidio/rio_cm.c
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Diffstat (limited to 'drivers/rapidio/rio_cm.c')
-rw-r--r--drivers/rapidio/rio_cm.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/rapidio/rio_cm.c b/drivers/rapidio/rio_cm.c
index bad0e0ea4f30..b29fc258eeba 100644
--- a/drivers/rapidio/rio_cm.c
+++ b/drivers/rapidio/rio_cm.c
@@ -1215,7 +1215,9 @@ static int riocm_ch_listen(u16 ch_id)
riocm_debug(CHOP, "(ch_%d)", ch_id);
ch = riocm_get_channel(ch_id);
- if (!ch || !riocm_cmp_exch(ch, RIO_CM_CHAN_BOUND, RIO_CM_LISTEN))
+ if (!ch)
+ return -EINVAL;
+ if (!riocm_cmp_exch(ch, RIO_CM_CHAN_BOUND, RIO_CM_LISTEN))
ret = -EINVAL;
riocm_put_channel(ch);
return ret;
@@ -2145,6 +2147,14 @@ static int riocm_add_mport(struct device *dev,
mutex_init(&cm->rx_lock);
riocm_rx_fill(cm, RIOCM_RX_RING_SIZE);
cm->rx_wq = create_workqueue(DRV_NAME "/rxq");
+ if (!cm->rx_wq) {
+ riocm_error("failed to allocate IBMBOX_%d on %s",
+ cmbox, mport->name);
+ rio_release_outb_mbox(mport, cmbox);
+ kfree(cm);
+ return -ENOMEM;
+ }
+
INIT_WORK(&cm->rx_work, rio_ibmsg_handler);
cm->tx_slot = 0;