diff options
| author | James Smart <James.Smart@Emulex.Com> | 2008-02-09 02:50:25 +0300 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-02-12 02:52:58 +0300 |
| commit | 3163f725a5d071eea1830bbbfab78cfe3fc9baaf (patch) | |
| tree | c9c7904bcfade4e1ea45c3a6e47fbd83e77d348e /drivers/scsi/lpfc/lpfc_mem.c | |
| parent | 7f5f3d0d02aa2f124e764aee5c775589ce72fd42 (diff) | |
| download | linux-3163f725a5d071eea1830bbbfab78cfe3fc9baaf.tar.xz | |
[SCSI] lpfc 8.2.5 : Fix buffer leaks
Fix buffer leaks:
- HBQ dma buffer leak at dma_pool_destroy when unloading driver
- Fix missing buffer free in slow ring buffer handling
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_mem.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_mem.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index 27448c98c07a..3c0cebc71800 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -264,18 +264,27 @@ void lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp) { struct hbq_dmabuf *hbq_entry; + unsigned long flags; if (!mp) return; if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { + /* Check whether HBQ is still in use */ + spin_lock_irqsave(&phba->hbalock, flags); + if (!phba->hbq_in_use) { + spin_unlock_irqrestore(&phba->hbalock, flags); + return; + } hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf); + list_del(&hbq_entry->dbuf.list); if (hbq_entry->tag == -1) { (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer) (phba, hbq_entry); } else { lpfc_sli_free_hbq(phba, hbq_entry); } + spin_unlock_irqrestore(&phba->hbalock, flags); } else { lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); |