linux-kernel - [PATCH RFC 28/77] cxgb4vf: Return -ENOSPC when not enough MSI-X vectors available

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Message-Id: <ba3b9232eedfaa0dcac4a8926483e10d2ada1d7a.1380703262.git.agordeev@redhat.com>
Date:	Wed,  2 Oct 2013 12:48:44 +0200
From:	Alexander Gordeev <agordeev@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Alexander Gordeev <agordeev@...hat.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Michael Ellerman <michael@...erman.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Ingo Molnar <mingo@...hat.com>, Tejun Heo <tj@...nel.org>,
	Dan Williams <dan.j.williams@...el.com>,
	Andy King <acking@...are.com>, Jon Mason <jon.mason@...el.com>,
	Matt Porter <mporter@...nel.crashing.org>,
	stable@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-mips@...ux-mips.org, linuxppc-dev@...ts.ozlabs.org,
	linux390@...ibm.com, linux-s390@...r.kernel.org, x86@...nel.org,
	linux-ide@...r.kernel.org, iss_storagedev@...com,
	linux-nvme@...ts.infradead.org, linux-rdma@...r.kernel.org,
	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	linux-driver@...gic.com,
	Solarflare linux maintainers <linux-net-drivers@...arflare.com>,
	"VMware, Inc." <pv-drivers@...are.com>, linux-scsi@...r.kernel.org
Subject: [PATCH RFC 28/77] cxgb4vf: Return -ENOSPC when not enough MSI-X vectors available

Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
---
 .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c    |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 87a82fc..11cbce1 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2470,6 +2470,7 @@ static int enable_msix(struct adapter *adapter)
 	} else if (err > 0) {
 		dev_info(adapter->pdev_dev, "only %d MSI-X vectors left,"
 			 " not using MSI-X\n", err);
+		err = -ENOSPC;
 	}
 	return err;
 }
-- 
1.7.7.6

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