From: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Date: Wed, 16 May 2018 20:49:03 +0000 (-0500)
Subject: ibmvnic: Free coherent DMA memory if FW map failed
X-Git-Tag: v4.17-rc7~27^2~11^2~2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4cf2ddf3e329d4ec1e3edda3465a202b5665be0e;p=users%2Fjedix%2Flinux-maple.git

ibmvnic: Free coherent DMA memory if FW map failed

If the firmware map fails for whatever reason, remember to free
up the memory after.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 6e8d6a6f6aaf..9e08917cda1f 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -192,6 +192,7 @@ static int alloc_long_term_buff(struct ibmvnic_adapter *adapter,
 	if (adapter->fw_done_rc) {
 		dev_err(dev, "Couldn't map long term buffer,rc = %d\n",
 			adapter->fw_done_rc);
+		dma_free_coherent(dev, ltb->size, ltb->buff, ltb->addr);
 		return -1;
 	}
 	return 0;