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path: root/drivers/net/ethernet/sun/niu.c
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Diffstat (limited to 'drivers/net/ethernet/sun/niu.c')
-rw-r--r--drivers/net/ethernet/sun/niu.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 8c726b7004d..c2a0fe39326 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -3335,6 +3335,10 @@ static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp,
addr = np->ops->map_page(np->device, page, 0,
PAGE_SIZE, DMA_FROM_DEVICE);
+ if (!addr) {
+ __free_page(page);
+ return -ENOMEM;
+ }
niu_hash_page(rp, page, addr);
if (rp->rbr_blocks_per_page > 1)
@@ -3513,7 +3517,7 @@ static int niu_rbr_fill(struct niu *np, struct rx_ring_info *rp, gfp_t mask)
err = 0;
while (index < (rp->rbr_table_size - blocks_per_page)) {
err = niu_rbr_add_page(np, rp, mask, index);
- if (err)
+ if (unlikely(err))
break;
index += blocks_per_page;