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[2/2] IB/hfi1: Validate header in set_armed_active

Message ID 1470755996-14187-3-git-send-email-ira.weiny@intel.com (mailing list archive)
State Accepted
Headers show

Commit Message

Ira Weiny Aug. 9, 2016, 3:19 p.m. UTC 
From: Mike Marciniszyn <mike.marciniszyn@intel.com>

Validate the etype to insure that the header is correct.


Reviewed-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
---
 drivers/infiniband/hw/hfi1/driver.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c
index c4156870a8bb..303f10555729 100644
--- a/drivers/infiniband/hw/hfi1/driver.c
+++ b/drivers/infiniband/hw/hfi1/driver.c
@@ -894,8 +894,9 @@  static inline int set_armed_to_active(struct hfi1_ctxtdata *rcd,
 	struct work_struct *lsaw = &rcd->ppd->linkstate_active_work;
 	struct hfi1_message_header *hdr = hfi1_get_msgheader(packet->rcd->dd,
 							     packet->rhf_addr);
+	u8 etype = rhf_rcv_type(packet->rhf);
 
-	if (hdr2sc(hdr, packet->rhf) != 0xf) {
+	if (etype == RHF_RCV_TYPE_IB && hdr2sc(hdr, packet->rhf) != 0xf) {
 		int hwstate = read_logical_state(dd);
 
 		if (hwstate != LSTATE_ACTIVE) {