netdev - [PATCH net-next 14/16] sfc: Return EBUSY for filter insertion on EF10, matching Falcon/Siena

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Date:	Thu, 12 Dec 2013 23:03:06 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	David Miller <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, <linux-net-drivers@...arflare.com>
Subject: [PATCH net-next 14/16] sfc: Return EBUSY for filter insertion on
 EF10, matching Falcon/Siena

The MC firmware will return error MC_CMD_ERR_ENOSPC if filter
insertion fails due to lack of resources.  The net driver's filter
implementation for Falcon-architecture returns EBUSY.  They should
behave consistently, so for EF10 change ENOSPC to EBUSY.

Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
 drivers/net/ethernet/sfc/ef10.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 45af374b1df9..ca922b958a2e 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -2259,6 +2259,8 @@ static int efx_ef10_filter_push(struct efx_nic *efx,
 			  outbuf, sizeof(outbuf), NULL);
 	if (rc == 0)
 		*handle = MCDI_QWORD(outbuf, FILTER_OP_OUT_HANDLE);
+	if (rc == -ENOSPC)
+		rc = -EBUSY; /* to match efx_farch_filter_insert() */
 	return rc;
 }
 


-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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