Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[linux-2.6] / net / sunrpc / xprtrdma / svc_rdma_recvfrom.c

diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index 6b16d8cd5682481d92a2357ea3a03c7c4af1f2b3..06ab4841537b236a395377098fb073ca3060a549 100644 (file)
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -306,6 +306,8 @@ static int rdma_read_xdr(struct svcxprt_rdma *xprt,
        ch_sge_ary = (struct chunk_sge *)tmp_ch_ctxt->sge;
 
        svc_rdma_rcl_chunk_counts(ch, &ch_count, &byte_count);
+       if (ch_count > RPCSVC_MAXPAGES)
+               return -EINVAL;
        sge_count = rdma_rcl_to_sge(xprt, rqstp, hdr_ctxt, rmsgp,
                                    sge, ch_sge_ary,
                                    ch_count, byte_count);