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IB/mlx4: Lock SQ lock in mlx4_ib_post_send() 

Because of a typo, mlx4_ib_post_send() takes the same lock rq.lock as
mlx4_ib_post_recv().  Correct the code so the intended sq.lock is
taken when posting a send.

Noticed by Yossi Leybovitch and pointed out by Jack Morgenstein from
Mellanox.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
hifive-unleashed-5.1
Roland Dreier 2007-10-30 10:53:54 -07:00
parent 09f60f8f54
commit 96db0e0335
1 changed files with 2 additions and 2 deletions
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4
drivers/infiniband/hw/mlx4/qp.c
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@ -1282,7 +1282,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
int size;
int i;
spin_lock_irqsave(&qp->rq.lock, flags);
spin_lock_irqsave(&qp->sq.lock, flags);
ind = qp->sq.head;
@ -1448,7 +1448,7 @@ out:
(qp->sq.wqe_cnt - 1));
}
spin_unlock_irqrestore(&qp->rq.lock, flags);
spin_unlock_irqrestore(&qp->sq.lock, flags);
return err;
}