From 146911500f2572fba31895aebacdc4f283208c37 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:34:28 -0500 Subject: [PATCH] [SCSI] lpfc 8.1.11 : Fix Memory leaks Fix Memory leaks associated with mbox cmds READ_LA, READ_SPARAM, REG_LOGIN Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_els.c | 21 ++++++++++++++++++--- drivers/scsi/lpfc/lpfc_hbadisc.c | 18 ++++++++++++++++-- drivers/scsi/lpfc/lpfc_init.c | 4 +++- drivers/scsi/lpfc/lpfc_nportdisc.c | 5 ++++- 4 files changed, 41 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index a47e5ab1ec..a5f33a0dd4 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -243,6 +243,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, struct serv_parm *sp, IOCB_t *irsp) { LPFC_MBOXQ_t *mbox; + struct lpfc_dmabuf *mp; int rc; spin_lock_irq(phba->host->host_lock); @@ -307,10 +308,14 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); if (rc == MBX_NOT_FINISHED) - goto fail_free_mbox; + goto fail_issue_reg_login; return 0; + fail_issue_reg_login: + mp = (struct lpfc_dmabuf *) mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); fail_free_mbox: mempool_free(mbox, phba->mbox_mem_pool); fail: @@ -1857,6 +1862,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, IOCB_t *irsp; struct lpfc_nodelist *ndlp; LPFC_MBOXQ_t *mbox = NULL; + struct lpfc_dmabuf *mp; irsp = &rspiocb->iocb; @@ -1868,6 +1874,11 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, /* Check to see if link went down during discovery */ if ((lpfc_els_chk_latt(phba)) || !ndlp) { if (mbox) { + mp = (struct lpfc_dmabuf *) mbox->context1; + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } mempool_free( mbox, phba->mbox_mem_pool); } goto out; @@ -1899,9 +1910,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } /* NOTE: we should have messages for unsuccessful reglogin */ - mempool_free( mbox, phba->mbox_mem_pool); } else { - mempool_free( mbox, phba->mbox_mem_pool); /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */ if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || @@ -1913,6 +1922,12 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } } } + mp = (struct lpfc_dmabuf *) mbox->context1; + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + mempool_free(mbox, phba->mbox_mem_pool); } out: if (ndlp) { diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 7c28184ad5..1118b6d49f 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -715,6 +715,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) { int i; LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; + struct lpfc_dmabuf *mp; + int rc; + sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); @@ -793,16 +796,27 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) if (sparam_mbox) { lpfc_read_sparam(phba, sparam_mbox); sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; - lpfc_sli_issue_mbox(phba, sparam_mbox, + rc = lpfc_sli_issue_mbox(phba, sparam_mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mp = (struct lpfc_dmabuf *) sparam_mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free(sparam_mbox, phba->mbox_mem_pool); + if (cfglink_mbox) + mempool_free(cfglink_mbox, phba->mbox_mem_pool); + return; + } } if (cfglink_mbox) { phba->hba_state = LPFC_LOCAL_CFG_LINK; lpfc_config_link(phba, cfglink_mbox); cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; - lpfc_sli_issue_mbox(phba, cfglink_mbox, + rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) + mempool_free(cfglink_mbox, phba->mbox_mem_pool); } } diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index fd734b0fe9..6b0718573a 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -611,7 +611,7 @@ lpfc_handle_latt(struct lpfc_hba * phba) pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); if (rc == MBX_NOT_FINISHED) - goto lpfc_handle_latt_free_mp; + goto lpfc_handle_latt_free_mbuf; /* Clear Link Attention in HA REG */ spin_lock_irq(phba->host->host_lock); @@ -621,6 +621,8 @@ lpfc_handle_latt(struct lpfc_hba * phba) return; +lpfc_handle_latt_free_mbuf: + lpfc_mbuf_free(phba, mp->virt, mp->phys); lpfc_handle_latt_free_mp: kfree(mp); lpfc_handle_latt_free_pmb: diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 958c330eca..0c7e731dc4 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -739,7 +739,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, uint32_t evt) { struct lpfc_iocbq *cmdiocb, *rspiocb; - struct lpfc_dmabuf *pcmd, *prsp; + struct lpfc_dmabuf *pcmd, *prsp, *mp; uint32_t *lp; IOCB_t *irsp; struct serv_parm *sp; @@ -829,6 +829,9 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, NLP_REGLOGIN_LIST); return ndlp->nlp_state; } + mp = (struct lpfc_dmabuf *)mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); mempool_free(mbox, phba->mbox_mem_pool); } else { mempool_free(mbox, phba->mbox_mem_pool); -- 2.39.5