diff options
| author | Con Kolivas <kernel@kolivas.org> | 2016-12-12 10:56:17 +1100 |
|---|---|---|
| committer | Con Kolivas <kernel@kolivas.org> | 2016-12-12 10:56:17 +1100 |
| commit | c3e1d5cbf048128fa788513fbc5fa3036c85fcb0 (patch) | |
| tree | 4b2b38cc960963abc48b2e30c6e2415ee383c98d /drivers/net/ethernet/cirrus/ep93xx_eth.c | |
| parent | e4d2e01f84338d948be51202038842fe3e0f6ce9 (diff) | |
| parent | 69973b830859bc6529a7a0468ba0d80ee5117826 (diff) | |
Merge tag 'v4.9' into 4.9-muqss4.9-muqss-150
Linux 4.9
Diffstat (limited to 'drivers/net/ethernet/cirrus/ep93xx_eth.c')
| -rw-r--r-- | drivers/net/ethernet/cirrus/ep93xx_eth.c | 4 |
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 de9f7c97d916..9a161e981529 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) |