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authorSebastian Ott <sebott@linux.vnet.ibm.com>2016-09-14 13:09:24 +0200
committerDavid S. Miller <davem@davemloft.net>2016-09-16 04:16:22 -0400
commit2a292822f00f7409fc0bd6b2d09efc5b8e6c9c5d (patch)
treef7e7463f09cf27499d273213ef266ab59d16905c
parent3e454fd5db5f993a829160cd9783b759a63931af (diff)
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net/mlx4_en: fix off by one in error handling
If an error occurs in mlx4_init_eq_table the index used in the err_out_unmap label is one too big which results in a panic in mlx4_free_eq. This patch fixes the index in the error path. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/eq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c
index f613977455e0..cf8f8a72a801 100644
--- a/drivers/net/ethernet/mellanox/mlx4/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/eq.c
@@ -1305,8 +1305,8 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
return 0;
err_out_unmap:
- while (i >= 0)
- mlx4_free_eq(dev, &priv->eq_table.eq[i--]);
+ while (i > 0)
+ mlx4_free_eq(dev, &priv->eq_table.eq[--i]);
#ifdef CONFIG_RFS_ACCEL
for (i = 1; i <= dev->caps.num_ports; i++) {
if (mlx4_priv(dev)->port[i].rmap) {