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authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2012-06-25 00:24:12 +0000
committerDavid S. Miller <davem@davemloft.net>2012-06-25 16:30:12 -0700
commit9858d2d1acf82758f779e0756d92a011f1d170b3 (patch)
treeb1173c984ca85fe742f71dbe61f1db8df3b9aa5f
parent5c8e9046662889265c0ff390c144188721cb0844 (diff)
downloadlinux-9858d2d1acf82758f779e0756d92a011f1d170b3.tar.gz
net/mlx4: Use single completion vector after NOP failure
Fix a crash at the error flow of NOP command which caused the driver to try and use
a completion vector which wasn't allocated.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index ee6f4fe00837..a0313de122de 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -1975,6 +1975,8 @@ slave_start:
 	if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) &&
 	    !mlx4_is_mfunc(dev)) {
 		dev->flags &= ~MLX4_FLAG_MSI_X;
+		dev->caps.num_comp_vectors = 1;
+		dev->caps.comp_pool	   = 0;
 		pci_disable_msix(pdev);
 		err = mlx4_setup_hca(dev);
 	}