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authorHal Rosenstock <halr@voltaire.com>2005-09-21 12:33:09 -0700
committerRoland Dreier <rolandd@cisco.com>2005-09-21 12:33:09 -0700
commitf2065e4242e5078d53c521b973c5cd4eae91eca2 (patch)
tree08cd44403ac326f41715e918f781d077367cb70b /drivers/infiniband
parent972d512a17c1bb7c4b784a9da2ca75745fcc6989 (diff)
[IB] Fix RMPP receive length calculation
Based on simplification idea from Sean Hefty <sean.hefty@intel.com> Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/core/mad_rmpp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c
index 8f7cef0812f..e23836d0e21 100644
--- a/drivers/infiniband/core/mad_rmpp.c
+++ b/drivers/infiniband/core/mad_rmpp.c
@@ -412,8 +412,8 @@ static inline int get_mad_len(struct mad_rmpp_recv *rmpp_recv)
hdr_size = data_offset(rmpp_mad->mad_hdr.mgmt_class);
data_size = sizeof(struct ib_rmpp_mad) - hdr_size;
- pad = data_size - be32_to_cpu(rmpp_mad->rmpp_hdr.paylen_newwin);
- if (pad > data_size || pad < 0)
+ pad = IB_MGMT_RMPP_DATA - be32_to_cpu(rmpp_mad->rmpp_hdr.paylen_newwin);
+ if (pad > IB_MGMT_RMPP_DATA || pad < 0)
pad = 0;
return hdr_size + rmpp_recv->seg_num * data_size - pad;