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[SCSI] libfc: discovery retry should clear pending first.

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Currently fc_disc_timeout() restarts discovery only if it is not pending.
When the timer is scheduled, the discovery is left pending, so the
timeout never restarts it.

Fix by not checking for pending in the timeout handler.

If discovery is stopped and restarted in the meantime, the timeout will
be canceled.

Also, when a new discovery is started, the retry count wasn't cleared.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Joe Eykholt 2009-08-25 14:02:38 -07:00 committed by James Bottomley
parent c762608bf7
commit 3667d7e7f7
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/libfc/fc_disc.c
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@ -233,6 +233,7 @@ static void fc_disc_restart(struct fc_disc *disc)
* freshly-discovered remote ports. Avoid wrapping to zero.
*/
disc->disc_id = (disc->disc_id + 2) | 1;
disc->retry_count = 0;
fc_disc_gpn_ft_req(disc);
}
@ -563,8 +564,7 @@ static void fc_disc_timeout(struct work_struct *work)
struct fc_disc,
disc_work.work);
mutex_lock(&disc->disc_mutex);
if (disc->requested && !disc->pending)
fc_disc_gpn_ft_req(disc);
fc_disc_gpn_ft_req(disc);
mutex_unlock(&disc->disc_mutex);
}