diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-01 14:27:38 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-01 14:27:38 -0300 |
commit | 1eae9639aac0f8de4d284f567ec722a822b52513 (patch) | |
tree | 34e45a5c5e6a1033a444bea952ba9199e57f3a19 /drivers/infiniband/ulp/srp | |
parent | 037d32aa8f748e39844d2a5b607fb063b4583843 (diff) |
Linux-libre 4.8.6-gnupck-4.8.6-gnu
Diffstat (limited to 'drivers/infiniband/ulp/srp')
-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 3322ed750..6b07d4bca 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1400,7 +1400,9 @@ 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_map_finish_fmr(state, ch); if (ret) return ret; @@ -1417,12 +1419,12 @@ 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 * boundaries. */ ret = 0; - if (len != dev->mr_page_size) + if ((dma_addr & ~dev->mr_page_mask) != 0) ret = srp_map_finish_fmr(state, ch); return ret; } |