diff options
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 36876960f97e..6311fd448c36 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1310,7 +1310,9 @@ static int srp_map_sg_entry(struct srp_map_state *state, while (dma_len) { unsigned offset = dma_addr & ~dev->mr_page_mask; - if (state->npages == dev->max_pages_per_mr || offset != 0) { + + if (state->npages == dev->max_pages_per_mr || + (state->npages > 0 && offset != 0)) { ret = srp_finish_mapping(state, target); if (ret) return ret; @@ -1329,12 +1331,12 @@ static int srp_map_sg_entry(struct srp_map_state *state, } /* - * If the last entry of the MR wasn't a full page, then we need to + * If the end of the MR is not on a page boundary then we need to * close it out and start a new one -- we can only merge at page * boundries. */ ret = 0; - if (len != dev->mr_page_size) { + if ((dma_addr & ~dev->mr_page_mask) != 0) { ret = srp_finish_mapping(state, target); if (!ret) srp_map_update_start(state, NULL, 0, 0); |