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authorAndrea Parri (Microsoft) <[email protected]>2021-03-01 20:13:48 +0100
committerWei Liu <[email protected]>2021-03-22 10:53:48 +0000
commit0c85c54bf7faeb80c6b76901ed77d93acef0207d (patch)
tree458249fd8d9b676c3807efde830f41563622216a
parenta620bbaa3510a6f14f6643bf232390ad1c821c80 (diff)
Drivers: hv: vmbus: Drop error message when 'No request id available'
Running out of request IDs on a channel essentially produces the same effect as running out of space in the ring buffer, in that -EAGAIN is returned. The error message in hv_ringbuffer_write() should either be dropped (since we don't output a message when the ring buffer is full) or be made conditional/debug-only. Suggested-by: Michael Kelley <[email protected]> Signed-off-by: Andrea Parri (Microsoft) <[email protected]> Fixes: e8b7db38449ac ("Drivers: hv: vmbus: Add vmbus_requestor data structure for VMBus hardening") Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Wei Liu <[email protected]>
-rw-r--r--drivers/hv/ring_buffer.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 35833d4d1a1d..ecd82ebfd5bc 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -313,7 +313,6 @@ int hv_ringbuffer_write(struct vmbus_channel *channel,
rqst_id = vmbus_next_request_id(&channel->requestor, requestid);
if (rqst_id == VMBUS_RQST_ERROR) {
spin_unlock_irqrestore(&outring_info->ring_lock, flags);
- pr_err("No request id available\n");
return -EAGAIN;
}
}