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path: root/net/sunrpc/xprtrdma/fmr_ops.c
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Diffstat (limited to 'net/sunrpc/xprtrdma/fmr_ops.c')
-rw-r--r--net/sunrpc/xprtrdma/fmr_ops.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/net/sunrpc/xprtrdma/fmr_ops.c b/net/sunrpc/xprtrdma/fmr_ops.c
index 5556ed99b4b7..2f4eacdde3f2 100644
--- a/net/sunrpc/xprtrdma/fmr_ops.c
+++ b/net/sunrpc/xprtrdma/fmr_ops.c
@@ -213,13 +213,11 @@ fmr_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg,
offset_in_page((seg-1)->mr_offset + (seg-1)->mr_len))
break;
}
- mw->mw_nents = i;
mw->mw_dir = rpcrdma_data_dir(writing);
- if (i == 0)
- goto out_dmamap_err;
- if (!ib_dma_map_sg(r_xprt->rx_ia.ri_device,
- mw->mw_sg, mw->mw_nents, mw->mw_dir))
+ mw->mw_nents = ib_dma_map_sg(r_xprt->rx_ia.ri_device,
+ mw->mw_sg, i, mw->mw_dir);
+ if (!mw->mw_nents)
goto out_dmamap_err;
for (i = 0, dma_pages = mw->fmr.fm_physaddrs; i < mw->mw_nents; i++)
@@ -237,16 +235,18 @@ fmr_op_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg,
return mw->mw_nents;
out_dmamap_err:
- pr_err("rpcrdma: failed to dma map sg %p sg_nents %u\n",
- mw->mw_sg, mw->mw_nents);
- rpcrdma_defer_mr_recovery(mw);
+ pr_err("rpcrdma: failed to DMA map sg %p sg_nents %d\n",
+ mw->mw_sg, i);
+ rpcrdma_put_mw(r_xprt, mw);
return -EIO;
out_maperr:
pr_err("rpcrdma: ib_map_phys_fmr %u@0x%llx+%i (%d) status %i\n",
len, (unsigned long long)dma_pages[0],
pageoff, mw->mw_nents, rc);
- rpcrdma_defer_mr_recovery(mw);
+ ib_dma_unmap_sg(r_xprt->rx_ia.ri_device,
+ mw->mw_sg, mw->mw_nents, mw->mw_dir);
+ rpcrdma_put_mw(r_xprt, mw);
return -EIO;
}