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net/mlx5_core: Fix a bug in alloc_token
In alloc_token(), the token '1' would be allocated twice consecutively. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 4 additions and 1 deletions
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@ -125,7 +125,10 @@ static u8 alloc_token(struct mlx5_cmd *cmd)
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u8 token;
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spin_lock(&cmd->token_lock);
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token = cmd->token++ % 255 + 1;
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cmd->token++;
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if (cmd->token == 0)
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cmd->token++;
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token = cmd->token;
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spin_unlock(&cmd->token_lock);
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return token;
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