diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/dpa/dpaa_eth_sg.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpa/dpaa_eth_sg.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_eth_sg.c b/drivers/net/ethernet/freescale/dpa/dpaa_eth_sg.c index 32086d4..7f0e870 100644 --- a/drivers/net/ethernet/freescale/dpa/dpaa_eth_sg.c +++ b/drivers/net/ethernet/freescale/dpa/dpaa_eth_sg.c @@ -159,7 +159,7 @@ void dpa_make_private_pool(struct dpa_bp *dpa_bp) * Add buffers/(pages) for Rx processing whenever bpool count falls below * REFILL_THRESHOLD. */ -void dpaa_eth_refill_bpools(struct dpa_percpu_priv_s *percpu_priv) +int dpaa_eth_refill_bpools(struct dpa_percpu_priv_s *percpu_priv) { int *countptr = percpu_priv->dpa_bp_count; int count = *countptr; @@ -179,6 +179,11 @@ void dpaa_eth_refill_bpools(struct dpa_percpu_priv_s *percpu_priv) count += new_pages; } *countptr = count; + + if (unlikely(*countptr < CONFIG_FSL_DPAA_ETH_MAX_BUF_COUNT)) + return -ENOMEM; + + return 0; } /* Cleanup function for outgoing frame descriptors that were built on Tx path, |