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net/mlx5_en: Add missing check for memory allocation failure

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The patch afb736e933: "net/mlx5: Ethernet resource handling files"
from May 28, 2015, leads to the following static checker warning:

drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c:726 mlx5e_create_main_flow_table()
error: potential null dereference 'g'.  (kcalloc returns null)

Fixes: afb736e933 ("net/mlx5: Ethernet resource handling files")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amir Vadai 2015-06-04 19:30:36 +03:00 committed by David S. Miller
parent 6a0d7a054f
commit 5e24851ec5
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c
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@ -722,6 +722,8 @@ static int mlx5e_create_main_flow_table(struct mlx5e_priv *priv)
u8 *dmac;
g = kcalloc(9, sizeof(*g), GFP_KERNEL);
if (!g)
return -ENOMEM;
g[0].log_sz = 2;
g[0].match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;