diff options
author | Rasesh Mody <rmody@brocade.com> | 2011-08-30 19:27:42 +0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-09-15 23:36:33 +0400 |
commit | 3caa1e9556087ecee27bfddc7beb5758213a4507 (patch) | |
tree | 281038c056cd2c9588858caf7043c66bbf577500 /drivers/net/ethernet/brocade/bna/bnad.c | |
parent | 19dbff9feea4f31ab3cdae53b98ef4484b554592 (diff) | |
download | linux-3caa1e9556087ecee27bfddc7beb5758213a4507.tar.xz |
bna: Initialization and Locking Fix
Change details:
- Initialize rx_id to 0 for bnad_cleanup_rx
- Return -ENOMEM in case if bna_rx_create fails
- Count the Rx buffer allocation failures in bnad_alloc_n_post_rxbufs()
- Remove unnecessary initialization of using_dac to false in bnad_pci_probe
- Release lock if error while doing bna_num_txq_set in bnad_pci_probe
Signed-off-by: Gurunatha Karaje <gkaraje@brocade.com>
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/brocade/bna/bnad.c')
-rw-r--r-- | drivers/net/ethernet/brocade/bna/bnad.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 32df3a8bf593..7e53517cd747 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -393,6 +393,7 @@ bnad_alloc_n_post_rxbufs(struct bnad *bnad, struct bna_rcb *rcb) rcb->rxq->buffer_size); if (unlikely(!skb)) { BNAD_UPDATE_CTR(bnad, rxbuf_alloc_failed); + rcb->rxq->rxbuf_alloc_failed++; goto finishing; } unmap_array[unmap_prod].skb = skb; @@ -1892,6 +1893,7 @@ bnad_cleanup_rx(struct bnad *bnad, u32 rx_id) spin_unlock_irqrestore(&bnad->bna_lock, flags); rx_info->rx = NULL; + rx_info->rx_id = 0; bnad_rx_res_free(bnad, res_info); } @@ -1947,8 +1949,10 @@ bnad_setup_rx(struct bnad *bnad, u32 rx_id) rx = bna_rx_create(&bnad->bna, bnad, rx_config, &rx_cbfn, res_info, rx_info); spin_unlock_irqrestore(&bnad->bna_lock, flags); - if (!rx) + if (!rx) { + err = -ENOMEM; goto err_return; + } rx_info->rx = rx; /* @@ -3206,7 +3210,7 @@ static int __devinit bnad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pcidev_id) { - bool using_dac = false; + bool using_dac; int err; struct bnad *bnad; struct bna *bna; @@ -3329,6 +3333,11 @@ bnad_pci_probe(struct pci_dev *pdev, bna_num_rxp_set(bna, BNAD_NUM_RXP + 1)) err = -EIO; } + spin_unlock_irqrestore(&bnad->bna_lock, flags); + if (err) + goto disable_ioceth; + + spin_lock_irqsave(&bnad->bna_lock, flags); bna_mod_res_req(&bnad->bna, &bnad->mod_res_info[0]); spin_unlock_irqrestore(&bnad->bna_lock, flags); |