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[PATCH RFC 48/77] mlx5: Return -ENOSPC when not enough MSI-X vectors ava

To: linux-kernel@vger.kernel.org
Subject: [PATCH RFC 48/77] mlx5: Return -ENOSPC when not enough MSI-X vectors available
From: Alexander Gordeev <agordeev@redhat.com>
Date: Wed, 2 Oct 2013 12:49:04 +0200
Cc: Alexander Gordeev <agordeev@redhat.com>, Bjorn Helgaas <bhelgaas@google.com>, Ralf Baechle <ralf@linux-mips.org>, Michael Ellerman <michael@ellerman.id.au>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Martin Schwidefsky <schwidefsky@de.ibm.com>, Ingo Molnar <mingo@redhat.com>, Tejun Heo <tj@kernel.org>, Dan Williams <dan.j.williams@intel.com>, Andy King <acking@vmware.com>, Jon Mason <jon.mason@intel.com>, Matt Porter <mporter@kernel.crashing.org>, stable@vger.kernel.org, linux-pci@vger.kernel.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux390@de.ibm.com, linux-s390@vger.kernel.org, x86@kernel.org, linux-ide@vger.kernel.org, iss_storagedev@hp.com, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, e1000-devel@lists.sourceforge.net, linux-driver@qlogic.com, Solarflare linux maintainers <linux-net-drivers@solarflare.com>, "VMware, Inc." <pv-drivers@vmware.com>, linux-scsi@vger.kernel.org
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Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/main.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c 
b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 3573ba4..5e5c9a3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -122,7 +122,7 @@ static int mlx5_enable_msix(struct mlx5_core_dev *dev)
        nvec = dev->caps.num_ports * num_online_cpus() + MLX5_EQ_VEC_COMP_BASE;
        nvec = min_t(int, nvec, num_eqs);
        if (nvec <= MLX5_EQ_VEC_COMP_BASE)
-               return -ENOMEM;
+               return -ENOSPC;
 
        table->msix_arr = kzalloc(nvec * sizeof(*table->msix_arr), GFP_KERNEL);
        if (!table->msix_arr)
@@ -144,7 +144,7 @@ retry:
        mlx5_core_dbg(dev, "received %d MSI vectors out of %d requested\n", 
err, nvec);
        kfree(table->msix_arr);
 
-       return 0;
+       return -ENOSPC;
 }
 
 static void mlx5_disable_msix(struct mlx5_core_dev *dev)
-- 
1.7.7.6


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