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authorDennis Dalessandro <dennis.dalessandro@intel.com>2017-11-14 04:34:23 -0800
committerJason Gunthorpe <jgg@mellanox.com>2017-11-30 16:01:28 -0700
commit8935780b9f7bbad0f2eb5dd43f61ba7b509a1575 (patch)
treed9a657c3cb57275d13bdb7f692d4bedd3101a313 /drivers/infiniband
parent4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff)
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')
-rw-r--r--drivers/infiniband/hw/hfi1/rc.c2
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;