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[PATCH net v3] vmxnet3: segCnt can be 1 for LRO packets

From Shrikrishna Khare <skhare@vmware.com>
Newsgroups linux.kernel
Subject [PATCH net v3] vmxnet3: segCnt can be 1 for LRO packets
Date 2016-06-08 16:50 +0200
Message-ID <rHMXT-1pV-9@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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The device emulation may send segCnt of 1 for LRO packets.

Signed-off-by: Shrikrishna Khare <skhare@vmware.com>
Signed-off-by: Jin Heo <heoj@vmware.com>

---
v2: fix subject line
v3: replace BUG_ON with WARN_ON_ONCE
---
 drivers/net/vmxnet3/vmxnet3_drv.c | 2 +-
 drivers/net/vmxnet3/vmxnet3_int.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index db8022a..08885bc 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1369,7 +1369,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
 				rcdlro = (struct Vmxnet3_RxCompDescExt *)rcd;
 
 				segCnt = rcdlro->segCnt;
-				BUG_ON(segCnt <= 1);
+				WARN_ON_ONCE(segCnt == 0);
 				mss = rcdlro->mss;
 				if (unlikely(segCnt <= 1))
 					segCnt = 0;
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index c482539..3d2b64e 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -69,10 +69,10 @@
 /*
  * Version numbers
  */
-#define VMXNET3_DRIVER_VERSION_STRING   "1.4.7.0-k"
+#define VMXNET3_DRIVER_VERSION_STRING   "1.4.8.0-k"
 
 /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
-#define VMXNET3_DRIVER_VERSION_NUM      0x01040700
+#define VMXNET3_DRIVER_VERSION_NUM      0x01040800
 
 #if defined(CONFIG_PCI_MSI)
 	/* RSS only makes sense if MSI-X is supported. */
-- 
2.8.2

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[PATCH net v3] vmxnet3: segCnt can be 1 for LRO packets Shrikrishna Khare <skhare@vmware.com> - 2016-06-08 16:50 +0200

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