diff options
| author |   Bhanu Prakash Gollapudi <bprakash@broadcom.com> | 2011-07-27 11:32:11 -0700 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Parallels.com> | 2011-07-28 12:00:33 +0400 |
| commit | fd08bd622d255252095a7d5b20b8305916c6f64e (patch) | |
| tree | c69f12d4e6268e5135c91d98020dac9f63e904cd /drivers/scsi/bnx2fc/bnx2fc_hwi.c | |
| parent | [SCSI] bnx2fc: hold tgt lock when calling cmd_release (diff) | |
| download | linux-dev-fd08bd622d255252095a7d5b20b8305916c6f64e.tar.xz linux-dev-fd08bd622d255252095a7d5b20b8305916c6f64e.zip | |
[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>
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_hwi.c')
| -rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_hwi.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index 9f38c5725b86..357a63d192e2 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -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; } |