diff options
Diffstat (limited to 'net/smc/smc_wr.c')
| -rw-r--r-- | net/smc/smc_wr.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c index 7239ba9b99dc..1e23cdd41eb1 100644 --- a/net/smc/smc_wr.c +++ b/net/smc/smc_wr.c @@ -169,6 +169,8 @@ void smc_wr_tx_cq_handler(struct ib_cq *ib_cq, void *cq_context) static inline int smc_wr_tx_get_free_slot_index(struct smc_link *link, u32 *idx) { *idx = link->wr_tx_cnt; + if (!smc_link_usable(link)) + return -ENOLINK; for_each_clear_bit(*idx, link->wr_tx_mask, link->wr_tx_cnt) { if (!test_and_set_bit(*idx, link->wr_tx_mask)) return 0; @@ -560,15 +562,15 @@ void smc_wr_free_link(struct smc_link *lnk) { struct ib_device *ibdev; + if (!lnk->smcibdev) + return; + ibdev = lnk->smcibdev->ibdev; + if (smc_wr_tx_wait_no_pending_sends(lnk)) memset(lnk->wr_tx_mask, 0, BITS_TO_LONGS(SMC_WR_BUF_CNT) * sizeof(*lnk->wr_tx_mask)); - if (!lnk->smcibdev) - return; - ibdev = lnk->smcibdev->ibdev; - if (lnk->wr_rx_dma_addr) { ib_dma_unmap_single(ibdev, lnk->wr_rx_dma_addr, SMC_WR_BUF_SIZE * lnk->wr_rx_cnt, |