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| author | Tom Tucker <tom@opengridcomputing.com> | 2008-03-11 14:31:40 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-12 12:37:34 -0700 |
| commit | 3fedb3c5a80595d94f7cbe47a6dba9184d869eb8 (patch) | |
| tree | 50254172a14b3b67c7ab289341e4938cb2cd1273 /net/sunrpc | |
| parent | c48cbb405c4f338ce3263c44d621eff41d9a95fc (diff) | |
| download | lwn-3fedb3c5a80595d94f7cbe47a6dba9184d869eb8.tar.gz lwn-3fedb3c5a80595d94f7cbe47a6dba9184d869eb8.zip | |
SVCRDMA: Fix erroneous BUG_ON in send_write
The assertion that checks for sge context overflow is
incorrectly hard-coded to 32. This causes a kernel bug
check when using big-data mounts. Changed the BUG_ON to
use the computed value RPCSVC_MAXPAGES.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_sendto.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c index 0598b229c11d..981f190c1b39 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c @@ -156,7 +156,7 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp, struct svc_rdma_op_ctxt *ctxt; int ret = 0; - BUG_ON(sge_count >= 32); + BUG_ON(sge_count > RPCSVC_MAXPAGES); dprintk("svcrdma: RDMA_WRITE rmr=%x, to=%llx, xdr_off=%d, " "write_len=%d, xdr_sge=%p, sge_count=%d\n", rmr, (unsigned long long)to, xdr_off, |