IB/mlx5: Fix check of number of entries in create CQ
Verify that the value is non negative before rounding up to power of 2. Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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@ -653,8 +653,11 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, int entries,
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int eqn;
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int err;
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if (entries < 0)
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return ERR_PTR(-EINVAL);
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entries = roundup_pow_of_two(entries + 1);
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if (entries < 1 || entries > dev->mdev.caps.max_cqes)
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if (entries > dev->mdev.caps.max_cqes)
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return ERR_PTR(-EINVAL);
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cq = kzalloc(sizeof(*cq), GFP_KERNEL);
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