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SCSI fixes on 20131023

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This is a set of 2 fixes which cause oopses (Buslogic, qla2xxx) and 1 fix
 which may cause a hang because of request miscounting (sd).
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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:
 "This is a set of two fixes which cause oopses (Buslogic, qla2xxx) and
 one fix which may cause a hang because of request miscounting (sd)"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] sd: call blk_pm_runtime_init before add_disk
  [SCSI] qla2xxx: Fix request queue null dereference.
  [SCSI] BusLogic: Fix an oops when intializing multimaster adapter
This commit is contained in:
Linus Torvalds 2013-10-24 07:44:47 +01:00
commit be6e8c7604
4 changed files with 19 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
drivers/scsi/BusLogic.c
View file

@ -696,7 +696,7 @@ static int __init blogic_init_mm_probeinfo(struct blogic_adapter *adapter)
while ((pci_device = pci_get_device(PCI_VENDOR_ID_BUSLOGIC,
PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER,
pci_device)) != NULL) {
struct blogic_adapter *adapter = adapter;
struct blogic_adapter *host_adapter = adapter;
struct blogic_adapter_info adapter_info;
enum blogic_isa_ioport mod_ioaddr_req;
unsigned char bus;
@ -744,9 +744,9 @@ static int __init blogic_init_mm_probeinfo(struct blogic_adapter *adapter)
known and enabled, note that the particular Standard ISA I/O
Address should not be probed.
*/
adapter->io_addr = io_addr;
blogic_intreset(adapter);
if (blogic_cmd(adapter, BLOGIC_INQ_PCI_INFO, NULL, 0,
host_adapter->io_addr = io_addr;
blogic_intreset(host_adapter);
if (blogic_cmd(host_adapter, BLOGIC_INQ_PCI_INFO, NULL, 0,
&adapter_info, sizeof(adapter_info)) ==
sizeof(adapter_info)) {
if (adapter_info.isa_port < 6)
@ -762,7 +762,7 @@ static int __init blogic_init_mm_probeinfo(struct blogic_adapter *adapter)
I/O Address assigned at system initialization.
*/
mod_ioaddr_req = BLOGIC_IO_DISABLE;
blogic_cmd(adapter, BLOGIC_MOD_IOADDR, &mod_ioaddr_req,
blogic_cmd(host_adapter, BLOGIC_MOD_IOADDR, &mod_ioaddr_req,
sizeof(mod_ioaddr_req), NULL, 0);
/*
For the first MultiMaster Host Adapter enumerated,
@ -779,12 +779,12 @@ static int __init blogic_init_mm_probeinfo(struct blogic_adapter *adapter)
fetch_localram.offset = BLOGIC_AUTOSCSI_BASE + 45;
fetch_localram.count = sizeof(autoscsi_byte45);
blogic_cmd(adapter, BLOGIC_FETCH_LOCALRAM,
blogic_cmd(host_adapter, BLOGIC_FETCH_LOCALRAM,
&fetch_localram, sizeof(fetch_localram),
&autoscsi_byte45,
sizeof(autoscsi_byte45));
blogic_cmd(adapter, BLOGIC_GET_BOARD_ID, NULL, 0, &id,
sizeof(id));
blogic_cmd(host_adapter, BLOGIC_GET_BOARD_ID, NULL, 0,
&id, sizeof(id));
if (id.fw_ver_digit1 == '5')
force_scan_order =
autoscsi_byte45.force_scan_order;

2
drivers/scsi/qla2xxx/qla_dbg.c
View file

@ -20,7 +20,7 @@
* | Device Discovery | 0x2095 | 0x2020-0x2022, |
* | | | 0x2011-0x2012, |
* | | | 0x2016 |
* | Queue Command and IO tracing | 0x3058 | 0x3006-0x300b |
* | Queue Command and IO tracing | 0x3059 | 0x3006-0x300b |
* | | | 0x3027-0x3028 |
* | | | 0x303d-0x3041 |
* | | | 0x302d,0x3033 |

9
drivers/scsi/qla2xxx/qla_isr.c
View file

@ -1957,6 +1957,15 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
que = MSW(sts->handle);
req = ha->req_q_map[que];
/* Check for invalid queue pointer */
if (req == NULL ||
que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
ql_dbg(ql_dbg_io, vha, 0x3059,
"Invalid status handle (0x%x): Bad req pointer. req=%p, "
"que=%u.\n", sts->handle, req, que);
return;
}
/* Validate handle. */
if (handle < req->num_outstanding_cmds)
sp = req->outstanding_cmds[handle];

2
drivers/scsi/sd.c
View file

@ -2854,6 +2854,7 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
gd->events |= DISK_EVENT_MEDIA_CHANGE;
}
blk_pm_runtime_init(sdp->request_queue, dev);
add_disk(gd);
if (sdkp->capacity)
sd_dif_config_host(sdkp);
@ -2862,7 +2863,6 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
sd_printk(KERN_NOTICE, sdkp, "Attached SCSI %sdisk\n",
sdp->removable ? "removable " : "");
blk_pm_runtime_init(sdp->request_queue, dev);
scsi_autopm_put_device(sdp);
put_device(&sdkp->dev);
}