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SCSI fixes on 20170210

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Six fairly small fixes.  None is a real show stopper, two automation
 detected problems: one memory leak, one use after free and four others
 each of which fixes something that has been a significant source of
 annoyance to someone.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Six fairly small fixes. None is a real show stopper, two automation
  detected problems: one memory leak, one use after free and four others
  each of which fixes something that has been a significant source of
  annoyance to someone"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: zfcp: fix use-after-free by not tracing WKA port open/close on failed send
  scsi: aacraid: Fix INTx/MSI-x issue with older controllers
  scsi: mpt3sas: disable ASPM for MPI2 controllers
  scsi: mpt3sas: Force request partial completion alignment
  scsi: qla2xxx: Avoid that issuing a LIP triggers a kernel crash
  scsi: qla2xxx: Fix a recently introduced memory leak
This commit is contained in:
Linus Torvalds 2017-02-11 09:01:03 -08:00
commit 13ebfd0601
5 changed files with 31 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/s390/scsi/zfcp_fsf.c
View File

@ -1583,7 +1583,7 @@ static void zfcp_fsf_open_wka_port_handler(struct zfcp_fsf_req *req)
int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
{
struct zfcp_qdio *qdio = wka_port->adapter->qdio;
struct zfcp_fsf_req *req = NULL;
struct zfcp_fsf_req *req;
int retval = -EIO;
spin_lock_irq(&qdio->req_q_lock);
@ -1612,7 +1612,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
zfcp_fsf_req_free(req);
out:
spin_unlock_irq(&qdio->req_q_lock);
if (req && !IS_ERR(req))
if (!retval)
zfcp_dbf_rec_run_wka("fsowp_1", wka_port, req->req_id);
return retval;
}
@ -1638,7 +1638,7 @@ static void zfcp_fsf_close_wka_port_handler(struct zfcp_fsf_req *req)
int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
{
struct zfcp_qdio *qdio = wka_port->adapter->qdio;
struct zfcp_fsf_req *req = NULL;
struct zfcp_fsf_req *req;
int retval = -EIO;
spin_lock_irq(&qdio->req_q_lock);
@ -1667,7 +1667,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
zfcp_fsf_req_free(req);
out:
spin_unlock_irq(&qdio->req_q_lock);
if (req && !IS_ERR(req))
if (!retval)
zfcp_dbf_rec_run_wka("fscwp_1", wka_port, req->req_id);
return retval;
}

8
drivers/scsi/aacraid/comminit.c
View File

@ -50,9 +50,13 @@ struct aac_common aac_config = {
static inline int aac_is_msix_mode(struct aac_dev *dev)
{
u32 status;
u32 status = 0;
status = src_readl(dev, MUnit.OMR);
if (dev->pdev->device == PMC_DEVICE_S6 ||
dev->pdev->device == PMC_DEVICE_S7 ||
dev->pdev->device == PMC_DEVICE_S8) {
status = src_readl(dev, MUnit.OMR);
}
return (status & AAC_INT_MODE_MSIX);
}

18
drivers/scsi/mpt3sas/mpt3sas_scsih.c
View File

@ -51,6 +51,7 @@
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/pci-aspm.h>
#include <linux/interrupt.h>
#include <linux/aer.h>
#include <linux/raid_class.h>
@ -4657,6 +4658,7 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
struct MPT3SAS_DEVICE *sas_device_priv_data;
u32 response_code = 0;
unsigned long flags;
unsigned int sector_sz;
mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
@ -4715,6 +4717,20 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
}
xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
/* In case of bogus fw or device, we could end up having
* unaligned partial completion. We can force alignment here,
* then scsi-ml does not need to handle this misbehavior.
*/
sector_sz = scmd->device->sector_size;
if (unlikely(scmd->request->cmd_type == REQ_TYPE_FS && sector_sz &&
xfer_cnt % sector_sz)) {
sdev_printk(KERN_INFO, scmd->device,
"unaligned partial completion avoided (xfer_cnt=%u, sector_sz=%u)\n",
xfer_cnt, sector_sz);
xfer_cnt = round_down(xfer_cnt, sector_sz);
}
scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
@ -8746,6 +8762,8 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
switch (hba_mpi_version) {
case MPI2_VERSION:
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S |
PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
/* Use mpt2sas driver host template for SAS 2.0 HBA's */
shost = scsi_host_alloc(&mpt2sas_driver_template,
sizeof(struct MPT3SAS_ADAPTER));

3
drivers/scsi/qla2xxx/qla_isr.c
View File

@ -3242,7 +3242,7 @@ qla2x00_free_irqs(scsi_qla_host_t *vha)
* from a probe failure context.
*/
if (!ha->rsp_q_map || !ha->rsp_q_map[0])
return;
goto free_irqs;
rsp = ha->rsp_q_map[0];
if (ha->flags.msix_enabled) {
@ -3262,6 +3262,7 @@ qla2x00_free_irqs(scsi_qla_host_t *vha)
free_irq(pci_irq_vector(ha->pdev, 0), rsp);
}
free_irqs:
pci_free_irq_vectors(ha->pdev);
}

2
drivers/scsi/qla2xxx/qla_os.c
View File

@ -1616,7 +1616,7 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
/* Don't abort commands in adapter during EEH
* recovery as it's not accessible/responding.
*/
if (!ha->flags.eeh_busy) {
if (GET_CMD_SP(sp) && !ha->flags.eeh_busy) {
/* Get a reference to the sp and drop the lock.
* The reference ensures this sp->done() call
* - and not the call in qla2xxx_eh_abort() -