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[SCSI] bnx2fc: Do not arm CQ when there are no CQEs 

Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Bhanu Prakash Gollapudi 2011-07-27 11:32:11 -07:00 committed by James Bottomley
parent bd4d5de8b9
commit fd08bd622d
1 changed files with 4 additions and 2 deletions
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6
drivers/scsi/bnx2fc/bnx2fc_hwi.c
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@ -1070,8 +1070,10 @@ unlock:
1 - tgt->cq_curr_toggle_bit;
}
}
bnx2fc_arm_cq(tgt);
atomic_add(num_free_sqes, &tgt->free_sqes);
if (num_free_sqes) {
bnx2fc_arm_cq(tgt);
atomic_add(num_free_sqes, &tgt->free_sqes);
}
spin_unlock_bh(&tgt->cq_lock);
return 0;
}