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[SCSI] libfc: Return a valid return code in fc_fcp_pkt_abort()

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Here ticks_left is added to record the result of
wait_for_completion_timeout().

[ Patch title and description edited by Robert Love
  to make it more descriptive  ]

Signed-off-by: Hillf Danton <dhillf@gmail.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:
Hillf Danton 2011-01-28 16:03:21 -08:00 committed by James Bottomley
parent f56635a869
commit fa79dbdbdd
1 changed files with 4 additions and 3 deletions
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7
drivers/scsi/libfc/fc_fcp.c
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@ -1202,6 +1202,7 @@ unlock:
static int fc_fcp_pkt_abort(struct fc_fcp_pkt *fsp)
{
int rc = FAILED;
unsigned long ticks_left;
if (fc_fcp_send_abort(fsp))
return FAILED;
@ -1210,13 +1211,13 @@ static int fc_fcp_pkt_abort(struct fc_fcp_pkt *fsp)
fsp->wait_for_comp = 1;
spin_unlock_bh(&fsp->scsi_pkt_lock);
rc = wait_for_completion_timeout(&fsp->tm_done, FC_SCSI_TM_TOV);
ticks_left = wait_for_completion_timeout(&fsp->tm_done,
FC_SCSI_TM_TOV);
spin_lock_bh(&fsp->scsi_pkt_lock);
fsp->wait_for_comp = 0;
if (!rc) {
if (!ticks_left) {
FC_FCP_DBG(fsp, "target abort cmd failed\n");
rc = FAILED;
} else if (fsp->state & FC_SRB_ABORTED) {
FC_FCP_DBG(fsp, "target abort cmd passed\n");
rc = SUCCESS;