* [PATCH] hyperv: remove meaningless pr_err() in vmbus_recvpacket_raw()
@ 2014-06-30 6:14 Jason Wang
2014-06-30 14:51 ` KY Srinivasan
0 siblings, 1 reply; 2+ messages in thread
From: Jason Wang @ 2014-06-30 6:14 UTC (permalink / raw)
To: kys, haiyangz, devel, linux-kernel; +Cc: Jason Wang
All its callers depends on the return value of -ENOBUFS to reallocate a
bigger buffer and retry the receiving. So there's no need to call
pr_err() here since it was not a real issue, otherwise syslog will be
flooded by this false warning.
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
drivers/hv/channel.c | 6 +-----
1 files changed, 1 insertions(+), 5 deletions(-)
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 284cf66..531a593 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -808,12 +808,8 @@ int vmbus_recvpacket_raw(struct vmbus_channel *channel, void *buffer,
*buffer_actual_len = packetlen;
- if (packetlen > bufferlen) {
- pr_err("Buffer too small - needed %d bytes but "
- "got space for only %d bytes\n",
- packetlen, bufferlen);
+ if (packetlen > bufferlen)
return -ENOBUFS;
- }
*requestid = desc.trans_id;
--
1.7.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* RE: [PATCH] hyperv: remove meaningless pr_err() in vmbus_recvpacket_raw()
2014-06-30 6:14 [PATCH] hyperv: remove meaningless pr_err() in vmbus_recvpacket_raw() Jason Wang
@ 2014-06-30 14:51 ` KY Srinivasan
0 siblings, 0 replies; 2+ messages in thread
From: KY Srinivasan @ 2014-06-30 14:51 UTC (permalink / raw)
To: Jason Wang, Haiyang Zhang, devel, linux-kernel
> -----Original Message-----
> From: Jason Wang [mailto:jasowang@redhat.com]
> Sent: Sunday, June 29, 2014 11:15 PM
> To: KY Srinivasan; Haiyang Zhang; devel@linuxdriverproject.org; linux-
> kernel@vger.kernel.org
> Cc: Jason Wang
> Subject: [PATCH] hyperv: remove meaningless pr_err() in
> vmbus_recvpacket_raw()
>
> All its callers depends on the return value of -ENOBUFS to reallocate a bigger
> buffer and retry the receiving. So there's no need to call
> pr_err() here since it was not a real issue, otherwise syslog will be flooded by
> this false warning.
>
> Cc: K. Y. Srinivasan <kys@microsoft.com>
> Cc: Haiyang Zhang <haiyangz@microsoft.com>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
Thanks Jason.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
> ---
> drivers/hv/channel.c | 6 +-----
> 1 files changed, 1 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index
> 284cf66..531a593 100644
> --- a/drivers/hv/channel.c
> +++ b/drivers/hv/channel.c
> @@ -808,12 +808,8 @@ int vmbus_recvpacket_raw(struct vmbus_channel
> *channel, void *buffer,
>
> *buffer_actual_len = packetlen;
>
> - if (packetlen > bufferlen) {
> - pr_err("Buffer too small - needed %d bytes but "
> - "got space for only %d bytes\n",
> - packetlen, bufferlen);
> + if (packetlen > bufferlen)
> return -ENOBUFS;
> - }
>
> *requestid = desc.trans_id;
>
> --
> 1.7.1
^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-06-30 6:14 [PATCH] hyperv: remove meaningless pr_err() in vmbus_recvpacket_raw() Jason Wang
2014-06-30 14:51 ` KY Srinivasan
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