Commit 4cbdd27c authored Apr 02, 2015 by Achiad Shochat Committed by David S. Miller Apr 02, 2015

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>

parent 21db5074

drivers/net/ethernet/mellanox/mlx5/core/cmd.c

+4 −1

Original line number	Original line	Diff line number	Diff line
	@@ -125,7 +125,10 @@ static u8 alloc_token(struct mlx5_cmd *cmd)
	u8 token;		u8 token;

	spin_lock(&cmd->token_lock);		spin_lock(&cmd->token_lock);
	token = cmd->token++ % 255 + 1;		cmd->token++;
			if (cmd->token == 0)
			cmd->token++;
			token = cmd->token;
	spin_unlock(&cmd->token_lock);		spin_unlock(&cmd->token_lock);

	return token;		return token;