diff options
| author | Joe Lawrence <joe.lawrence@stratus.com> | 2014-08-26 17:10:41 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-30 09:40:12 -0700 |
| commit | 30d26f5c75a87d9477b1ad871fc4362b625df414 (patch) | |
| tree | d93c85fb0144f5104382f7e1e96ce9cb973866c7 | |
| parent | 54bf501e23cc29906e813eb6e7c2526b3ea3dec5 (diff) | |
qla2xxx: Fix shost use-after-free on device removal
commit db7157d4cfce6edf052452fb1d327d4d11b67f4c upstream.
Once calling scsi_host_put, be careful to not access qla_hw_data through
the Scsi_Host private data (ie, scsi_qla_host base_vha).
Fixes: fe1b806f4f71 ("qla2xxx: Refactor shutdown code so some functionality can be reused")
Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index d96bfb55e57..5072251cdb8 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -3111,10 +3111,8 @@ qla2x00_unmap_iobases(struct qla_hw_data *ha) } static void -qla2x00_clear_drv_active(scsi_qla_host_t *vha) +qla2x00_clear_drv_active(struct qla_hw_data *ha) { - struct qla_hw_data *ha = vha->hw; - if (IS_QLA8044(ha)) { qla8044_idc_lock(ha); qla8044_clear_drv_active(ha); @@ -3185,7 +3183,7 @@ qla2x00_remove_one(struct pci_dev *pdev) scsi_host_put(base_vha->host); - qla2x00_clear_drv_active(base_vha); + qla2x00_clear_drv_active(ha); qla2x00_unmap_iobases(ha); |