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[PATCH] IB: Fix data length for RMPP SA sends 

We need to subtract off the header length from our payload
length when sending multi-packet SA messages.

Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Hal Rosenstock 2005-09-19 13:51:01 -07:00 committed by Roland Dreier
parent 6577ae51cf
commit eff4c654b1
1 changed files with 3 additions and 2 deletions
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5
drivers/infiniband/core/user_mad.c
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@ -334,10 +334,11 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
ret = -EINVAL;
goto err_ah;
}
/* Validate that management class can support RMPP */
/* Validate that the management class can support RMPP */
if (rmpp_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_ADM) {
hdr_len = offsetof(struct ib_sa_mad, data);
data_len = length;
data_len = length - hdr_len;
} else if ((rmpp_mad->mad_hdr.mgmt_class >= IB_MGMT_CLASS_VENDOR_RANGE2_START) &&
(rmpp_mad->mad_hdr.mgmt_class <= IB_MGMT_CLASS_VENDOR_RANGE2_END)) {
hdr_len = offsetof(struct ib_vendor_mad, data);