IB/mlx4: Potential buffer overflow in _mlx4_set_path()
Smatch complains about this code: drivers/infiniband/hw/mlx4/qp.c:1827 _mlx4_set_path() error: buffer overflow 'dev->dev->caps.gid_table_len' 3 <= 255 The mlx4_ib_gid_index_to_real_index() does check that "port" is within bounds, but we don't check the return value for errors. It seems simple enough to add a check for that. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>
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