Formatting changes aside, it seems that the change is just the below.
Is that all there is?
- R.
--- drivers/infiniband/core/user_mad.c
+++ drivers/infiniband/core/user_mad.c
@@ -337,7 +337,7 @@ static ssize_t ib_umad_write(struct file
/* Validate that 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);
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