diff options
| author | NeilBrown <neilb@suse.de> | 2012-08-01 20:40:02 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-08-01 20:40:02 +1000 |
| commit | bb181e2e48f8c85db08c9cb015cbba9618dbf05c (patch) | |
| tree | 191bc24dd97bcb174535cc217af082f16da3b43d /drivers/net/ethernet/sun/niu.c | |
| parent | d57368afe63b3b7b45ce6c2b8c5276417935be2f (diff) | |
| parent | c039c332f23e794deb6d6f37b9f07ff3b27fb2cf (diff) | |
Merge commit 'c039c332f23e794deb6d6f37b9f07ff3b27fb2cf' into md
Pull in pre-requisites for adding raid10 support to dm-raid.
Diffstat (limited to 'drivers/net/ethernet/sun/niu.c')
| -rw-r--r-- | drivers/net/ethernet/sun/niu.c | 6 |
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; |