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remove superfluous locking from dequeue

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This commit is contained in:
Kip Macy 2008-01-15 03:21:02 +00:00
parent d65abd6663
commit 74aba11713
1 changed files with 0 additions and 2 deletions
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2
sys/dev/cxgb/cxgb_osdep.h
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@ -225,7 +225,6 @@ buf_ring_dequeue(struct buf_ring *mr)
ring = (caddr_t *)mr->br_ring;
mask = mr->br_size - 1;
mtx_lock(&mr->br_lock); /* XXX temporary ? */
cons = mr->br_cons;
mb();
prod = mr->br_prod;
@ -236,7 +235,6 @@ buf_ring_dequeue(struct buf_ring *mr)
mr->br_cons = (cons + 1) & mask;
mb();
}
mtx_unlock(&mr->br_lock); /* XXX temporary ? */
return (m);
}