hv_netvsc: Check status in SEND_RNDIS_PKT completion message
authorMichael Kelley <mikelley@microsoft.com>
Mon, 13 Feb 2023 05:08:01 +0000 (21:08 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 10 Mar 2023 08:33:53 +0000 (09:33 +0100)
commitc91cca8e39d422609dcf741facf192b5857f761d
tree29037b5e7174de059159ff39d7d7a0f6bf967936
parent20a89a4442d11a2d2b21eb54b97cbff740ec9774
hv_netvsc: Check status in SEND_RNDIS_PKT completion message

[ Upstream commit dca5161f9bd052e9e73be90716ffd57e8762c697 ]

Completion responses to SEND_RNDIS_PKT messages are currently processed
regardless of the status in the response, so that resources associated
with the request are freed.  While this is appropriate, code bugs that
cause sending a malformed message, or errors on the Hyper-V host, go
undetected. Fix this by checking the status and outputting a rate-limited
message if there is an error.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://lore.kernel.org/r/1676264881-48928-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/hyperv/netvsc.c