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authorDavid S. Miller <davem@davemloft.net>2016-12-07 05:33:19 +0300
committerDavid S. Miller <davem@davemloft.net>2016-12-07 05:33:19 +0300
commitc63d352f053a788281eb90df0a71cd3a6b2c4040 (patch)
treece0c6f0993100d3d8feda1d9d487dfba4abc5bd0 /drivers/net/ethernet/cirrus
parent862b3d2090ae3d8b10bb4ee9275fd932bc4d0d44 (diff)
parentbc3913a5378cd0ddefd1dfec6917cc12eb23a946 (diff)
downloadlinux-c63d352f053a788281eb90df0a71cd3a6b2c4040.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/net/ethernet/cirrus')
-rw-r--r--drivers/net/ethernet/cirrus/ep93xx_eth.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cirrus/ep93xx_eth.c b/drivers/net/ethernet/cirrus/ep93xx_eth.c
index 9119af088821..a1de0d12927d 100644
--- a/drivers/net/ethernet/cirrus/ep93xx_eth.c
+++ b/drivers/net/ethernet/cirrus/ep93xx_eth.c
@@ -468,6 +468,9 @@ static void ep93xx_free_buffers(struct ep93xx_priv *ep)
struct device *dev = ep->dev->dev.parent;
int i;
+ if (!ep->descs)
+ return;
+
for (i = 0; i < RX_QUEUE_ENTRIES; i++) {
dma_addr_t d;
@@ -490,6 +493,7 @@ static void ep93xx_free_buffers(struct ep93xx_priv *ep)
dma_free_coherent(dev, sizeof(struct ep93xx_descs), ep->descs,
ep->descs_dma_addr);
+ ep->descs = NULL;
}
static int ep93xx_alloc_buffers(struct ep93xx_priv *ep)