diff options
| author | Krishna Gudipati <kgudipat@brocade.com> | 2012-03-13 17:40:31 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-03-28 09:57:09 +0100 |
| commit | ff179e0f4a4da030df52c0632b0615e9a13b5e66 (patch) | |
| tree | 802f4a9caf9b9774f75709bce1779e88b17e51ee /drivers/scsi | |
| parent | f0cdfcee19b259c209a9acda45ab063fd962b66d (diff) | |
| download | lwn-ff179e0f4a4da030df52c0632b0615e9a13b5e66.tar.gz lwn-ff179e0f4a4da030df52c0632b0615e9a13b5e66.zip | |
[SCSI] bfa: Fix to avoid vport delete hang on request queue full scenario.
Fixed the LPS (Logical Port Services) state machine to send a
FDISC/FLOGI to the FW from the request queue wait state, when
there is space available again on the request queue.
Made changes to free the vport on LOGO/cleanup complete instead
of free'ing it from vport_delete_handler in the module unload scenario.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcs_lport.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfa_svc.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfad_attr.c | 8 |
3 files changed, 9 insertions, 4 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index d4f951fe753e..5d2a1307e5ce 100644 --- a/drivers/scsi/bfa/bfa_fcs_lport.c +++ b/drivers/scsi/bfa/bfa_fcs_lport.c @@ -5717,6 +5717,8 @@ bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport) if (vport_drv->comp_del) complete(vport_drv->comp_del); + else + kfree(vport_drv); bfa_lps_delete(vport->lps); } diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c index 3abe2bebfe1f..6583b2d94f64 100644 --- a/drivers/scsi/bfa/bfa_svc.c +++ b/drivers/scsi/bfa/bfa_svc.c @@ -1280,6 +1280,7 @@ bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event) switch (event) { case BFA_LPS_SM_RESUME: bfa_sm_set_state(lps, bfa_lps_sm_login); + bfa_lps_send_login(lps); break; case BFA_LPS_SM_OFFLINE: @@ -1578,7 +1579,7 @@ bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp) break; case BFA_STATUS_VPORT_MAX: - if (!rsp->ext_status) + if (rsp->ext_status) bfa_lps_no_res(lps, rsp->ext_status); break; diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c index 06310b8e562d..7b1ecd2b3ffe 100644 --- a/drivers/scsi/bfa/bfad_attr.c +++ b/drivers/scsi/bfa/bfad_attr.c @@ -494,8 +494,11 @@ bfad_im_vport_delete(struct fc_vport *fc_vport) unsigned long flags; struct completion fcomp; - if (im_port->flags & BFAD_PORT_DELETE) - goto free_scsi_host; + if (im_port->flags & BFAD_PORT_DELETE) { + bfad_scsi_host_free(bfad, im_port); + list_del(&vport->list_entry); + return 0; + } port = im_port->port; @@ -526,7 +529,6 @@ bfad_im_vport_delete(struct fc_vport *fc_vport) wait_for_completion(vport->comp_del); -free_scsi_host: bfad_scsi_host_free(bfad, im_port); list_del(&vport->list_entry); kfree(vport); |