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Message-Id: <20220407044034.379971-3-parri.andrea@gmail.com>
Date: Thu, 7 Apr 2022 06:40:34 +0200
From: "Andrea Parri (Microsoft)" <parri.andrea@...il.com>
To: KY Srinivasan <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Stephen Hemminger <sthemmin@...rosoft.com>,
Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
Michael Kelley <mikelley@...rosoft.com>,
James Bottomley <jejb@...ux.ibm.com>,
Martin Petersen <martin.petersen@...cle.com>,
David Miller <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
Cc: linux-hyperv@...r.kernel.org, linux-scsi@...r.kernel.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
"Andrea Parri (Microsoft)" <parri.andrea@...il.com>
Subject: [PATCH 2/2] hv_netvsc: Print value of invalid ID in netvsc_send_{completion,tx_complete}()
That being useful for debugging purposes.
Notice that the packet descriptor is in "private" guest memory, so
that Hyper-V can not tamper with it.
While at it, remove two unnecessary u64-casts.
Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@...il.com>
---
drivers/net/hyperv/netvsc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 9442f751ad3aa..4061af5baaea3 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -792,9 +792,9 @@ static void netvsc_send_tx_complete(struct net_device *ndev,
int queue_sends;
u64 cmd_rqst;
- cmd_rqst = channel->request_addr_callback(channel, (u64)desc->trans_id);
+ cmd_rqst = channel->request_addr_callback(channel, desc->trans_id);
if (cmd_rqst == VMBUS_RQST_ERROR) {
- netdev_err(ndev, "Incorrect transaction id\n");
+ netdev_err(ndev, "Invalid transaction ID %llx\n", desc->trans_id);
return;
}
@@ -854,9 +854,9 @@ static void netvsc_send_completion(struct net_device *ndev,
/* First check if this is a VMBUS completion without data payload */
if (!msglen) {
cmd_rqst = incoming_channel->request_addr_callback(incoming_channel,
- (u64)desc->trans_id);
+ desc->trans_id);
if (cmd_rqst == VMBUS_RQST_ERROR) {
- netdev_err(ndev, "Invalid transaction id\n");
+ netdev_err(ndev, "Invalid transaction ID %llx\n", desc->trans_id);
return;
}
--
2.25.1
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