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authorChad Dupuis <chad.dupuis@qlogic.com>2013-02-08 01:57:50 -0500
committerJames Bottomley <JBottomley@Parallels.com>2013-02-22 12:35:40 +0000
commitb00ee7d770abbe1e63df74eada0376c75ceb2daf (patch)
tree65a6889fe5d365b777d8cb5b88790c84aa1280b5 /drivers/scsi/qla2xxx/qla_bsg.c
parent619d5a0ded06f6d46092205a68a92f7c3a01dd44 (diff)
downloadop-kernel-dev-b00ee7d770abbe1e63df74eada0376c75ceb2daf.zip
op-kernel-dev-b00ee7d770abbe1e63df74eada0376c75ceb2daf.tar.gz
[SCSI] qla2xxx: Unload hangs after issuing BSG commands to vport.
BSG code path increments ref count in the send path, but does not decrement in the return path leading to hang during unload of the driver. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_bsg.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 525c339..79babab 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -27,7 +27,7 @@ void
qla2x00_bsg_sp_free(void *data, void *ptr)
{
srb_t *sp = (srb_t *)ptr;
- struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
+ struct scsi_qla_host *vha = sp->fcport->vha;
struct fc_bsg_job *bsg_job = sp->u.bsg_job;
struct qla_hw_data *ha = vha->hw;
@@ -40,7 +40,7 @@ qla2x00_bsg_sp_free(void *data, void *ptr)
if (sp->type == SRB_CT_CMD ||
sp->type == SRB_ELS_CMD_HST)
kfree(sp->fcport);
- mempool_free(sp, vha->hw->srb_mempool);
+ qla2x00_rel_sp(vha, sp);
}
int
@@ -368,7 +368,7 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x700e,
"qla2x00_start_sp failed = %d\n", rval);
- mempool_free(sp, ha->srb_mempool);
+ qla2x00_rel_sp(vha, sp);
rval = -EIO;
goto done_unmap_sg;
}
@@ -515,7 +515,7 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x7017,
"qla2x00_start_sp failed=%d.\n", rval);
- mempool_free(sp, ha->srb_mempool);
+ qla2x00_rel_sp(vha, sp);
rval = -EIO;
goto done_free_fcport;
}
@@ -1995,6 +1995,6 @@ done:
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (bsg_job->request->msgcode == FC_BSG_HST_CT)
kfree(sp->fcport);
- mempool_free(sp, ha->srb_mempool);
+ qla2x00_rel_sp(vha, sp);
return 0;
}
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