Fix Memory leaks associated with mbox cmds READ_LA, READ_SPARAM, REG_LOGIN Signed-off-by: James Smart <James.Smart@xxxxxxxxxx> diff -upNr a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c --- a/drivers/scsi/lpfc/lpfc_els.c 2006-12-02 11:57:07.000000000 -0500 +++ b/drivers/scsi/lpfc/lpfc_els.c 2006-12-02 11:59:51.000000000 -0500 @@ -243,6 +243,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_h 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_h 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 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 /* 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 } /* 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 } } } + 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 -upNr a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c --- a/drivers/scsi/lpfc/lpfc_hbadisc.c 2006-12-02 11:57:07.000000000 -0500 +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c 2006-12-02 11:59:51.000000000 -0500 @@ -715,6 +715,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba { 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 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 -upNr a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c --- a/drivers/scsi/lpfc/lpfc_init.c 2006-12-02 11:57:08.000000000 -0500 +++ b/drivers/scsi/lpfc/lpfc_init.c 2006-12-02 11:59:51.000000000 -0500 @@ -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 -upNr a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c --- a/drivers/scsi/lpfc/lpfc_nportdisc.c 2006-12-02 11:53:07.000000000 -0500 +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c 2006-12-02 11:59:51.000000000 -0500 @@ -739,7 +739,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_ 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_ 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); - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html