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| author | Steve Wise <swise@opengridcomputing.com> | 2010-08-11 12:47:08 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-08-11 12:47:08 -0400 |
| commit | 7a8b80eb38b248cfdf84048dad12073d5cfba3e6 (patch) | |
| tree | d66e1ec8f4b95a1d17dad42af67dd1137a6ece77 /net/sunrpc | |
| parent | 5d7ca35a182a626f8ed5596023ad42eb219a332e (diff) | |
| download | linux-stable-7a8b80eb38b248cfdf84048dad12073d5cfba3e6.tar.gz linux-stable-7a8b80eb38b248cfdf84048dad12073d5cfba3e6.tar.bz2 linux-stable-7a8b80eb38b248cfdf84048dad12073d5cfba3e6.zip | |
xprtrdma: Do not truncate iova_start values in frmr registrations.
A bad cast causes the iova_start, which in this case is a 64b DMA
bus address, to be truncated on 32b systems. This breaks frmrs on
32b systems. No cast is needed.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 27015c6d8eb5..3bdbd9f3b88f 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1490,7 +1490,7 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, memset(&frmr_wr, 0, sizeof frmr_wr); frmr_wr.opcode = IB_WR_FAST_REG_MR; frmr_wr.send_flags = 0; /* unsignaled */ - frmr_wr.wr.fast_reg.iova_start = (unsigned long)seg1->mr_dma; + frmr_wr.wr.fast_reg.iova_start = seg1->mr_dma; frmr_wr.wr.fast_reg.page_list = seg1->mr_chunk.rl_mw->r.frmr.fr_pgl; frmr_wr.wr.fast_reg.page_list_len = i; frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT; |