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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-03-16 16:24:36 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-03-16 16:25:09 -0400
commit1425075e7272faaa3629a1e2df679c0ba4cf55d3 (patch)
tree6d79a735f8a02d6dc9e27b915f6244fe1ab6b7ff /drivers/of/irq.c
parent849dc3244c916545790bfb9055625a3719061c92 (diff)
parent2fa8f88d8892507ecff0126fbc67906740491d31 (diff)
Merge tag 'nfs-rdma-4.6-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma
NFS: NFSoRDMA Client Side Changes These patches include several bugfixes and cleanups for the NFSoRDMA client. This includes bugfixes for NFS v4.1, proper RDMA_ERROR handling, and fixes from the recent workqueue swicchover. These patches also switch xprtrdma to use the new CQ API Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> * tag 'nfs-rdma-4.6-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma: (787 commits) xprtrdma: Use new CQ API for RPC-over-RDMA client send CQs xprtrdma: Use an anonymous union in struct rpcrdma_mw xprtrdma: Use new CQ API for RPC-over-RDMA client receive CQs xprtrdma: Serialize credit accounting again xprtrdma: Properly handle RDMA_ERROR replies rpcrdma: Add RPCRDMA_HDRLEN_ERR xprtrdma: Do not wait if ib_post_send() fails xprtrdma: Segment head and tail XDR buffers on page boundaries xprtrdma: Clean up dprintk format string containing a newline xprtrdma: Clean up physical_op_map() xprtrdma: Clean up unused RPCRDMA_INLINE_PAD_THRESH macro
Diffstat (limited to 'drivers/of/irq.c')
-rw-r--r--drivers/of/irq.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 7ee21ae305ae..e7bfc175b8e1 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -635,6 +635,13 @@ static u32 __of_msi_map_rid(struct device *dev, struct device_node **np,
msi_base = be32_to_cpup(msi_map + 2);
rid_len = be32_to_cpup(msi_map + 3);
+ if (rid_base & ~map_mask) {
+ dev_err(parent_dev,
+ "Invalid msi-map translation - msi-map-mask (0x%x) ignores rid-base (0x%x)\n",
+ map_mask, rid_base);
+ return rid_out;
+ }
+
msi_controller_node = of_find_node_by_phandle(phandle);
matched = (masked_rid >= rid_base &&
@@ -654,7 +661,7 @@ static u32 __of_msi_map_rid(struct device *dev, struct device_node **np,
if (!matched)
return rid_out;
- rid_out = masked_rid + msi_base;
+ rid_out = masked_rid - rid_base + msi_base;
dev_dbg(dev,
"msi-map at: %s, using mask %08x, rid-base: %08x, msi-base: %08x, length: %08x, rid: %08x -> %08x\n",
dev_name(parent_dev), map_mask, rid_base, msi_base,