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| author |   Dennis Dalessandro <dennis.dalessandro@intel.com> | 2017-11-14 04:34:23 -0800 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2017-11-30 16:01:28 -0700 |
| commit | 8935780b9f7bbad0f2eb5dd43f61ba7b509a1575 (patch) | |
| tree | d9a657c3cb57275d13bdb7f692d4bedd3101a313 /drivers/infiniband/hw/hfi1 | |
| parent | Linux 4.15-rc1 (diff) | |
| download | linux-dev-8935780b9f7bbad0f2eb5dd43f61ba7b509a1575.tar.xz linux-dev-8935780b9f7bbad0f2eb5dd43f61ba7b509a1575.zip | |
IB/hfi1: Initialize bth1 in 16B rc ack builder
It is possible the bth1 variable could be used uninitialized so going
ahead and giving it a default value.
Otherwise we leak stack memory to the network.
Fixes: 5b6cabb0db77 ("IB/hfi1: Add 16B RC/UC support")
Reviewed-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/rc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index fd01a760259f..af5f7936f7e5 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -814,7 +814,7 @@ static inline void hfi1_make_rc_ack_16B(struct rvt_qp *qp, struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); struct hfi1_16b_header *hdr = &opa_hdr->opah; struct ib_other_headers *ohdr; - u32 bth0, bth1; + u32 bth0, bth1 = 0; u16 len, pkey; u8 becn = !!is_fecn; u8 l4 = OPA_16B_L4_IB_LOCAL; |