From 4cf2ddf3e329d4ec1e3edda3465a202b5665be0e Mon Sep 17 00:00:00 2001
From: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Date: Wed, 16 May 2018 15:49:03 -0500
Subject: [PATCH] ibmvnic: Free coherent DMA memory if FW map failed
References: bsc#1093990
Patch-mainline: v4.17-rc7
Git-commit: 4cf2ddf3e329d4ec1e3edda3465a202b5665be0e
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>
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
drivers/net/ethernet/ibm/ibmvnic.c | 1 +
1 file changed, 1 insertion(+)
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;
--
2.13.6