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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-12 12:52:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-12 12:52:05 -0700
commit921195d3568cb0e4f16efe456b663ae047b075fa (patch)
tree3ad7a13d5b5faae2d0ba7e5c96bc98c6613c6f6e
parentb5b1404d0815894de0690de8a1ab58269e56eae6 (diff)
parente95153b64d03c2b6e8d62e51bdcc33fcad6e0856 (diff)
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley: "Eight fixes. The most important one is the mpt3sas fix which makes the driver work again on big endian systems. The rest are mostly minor error path or checker issues and the vmw_scsi one fixes a performance problem" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: vmw_pvscsi: Return DID_RESET for status SAM_STAT_COMMAND_TERMINATED scsi: sr: Avoid that opening a CD-ROM hangs with runtime power management enabled scsi: mpt3sas: Swap I/O memory read value back to cpu endianness scsi: fcoe: clear FC_RP_STARTED flags when receiving a LOGO scsi: fcoe: drop frames in ELS LOGO error path scsi: fcoe: fix use-after-free in fcoe_ctlr_els_send scsi: qedi: Fix a potential buffer overflow scsi: qla2xxx: Fix memory leak for allocating abort IOCB
-rw-r--r--drivers/scsi/fcoe/fcoe_ctlr.c6
-rw-r--r--drivers/scsi/libfc/fc_rport.c1
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c16
-rw-r--r--drivers/scsi/qedi/qedi_main.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c53
-rw-r--r--drivers/scsi/sr.c29
-rw-r--r--drivers/scsi/vmw_pvscsi.c11
7 files changed, 69 insertions, 49 deletions
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index ea23c8dffc25..ffec695e0bfb 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -754,9 +754,9 @@ int fcoe_ctlr_els_send(struct fcoe_ctlr *fip, struct fc_lport *lport,
case ELS_LOGO:
if (fip->mode == FIP_MODE_VN2VN) {
if (fip->state != FIP_ST_VNMP_UP)
- return -EINVAL;
+ goto drop;
if (ntoh24(fh->fh_d_id) == FC_FID_FLOGI)
- return -EINVAL;
+ goto drop;
} else {
if (fip->state != FIP_ST_ENABLED)
return 0;
@@ -799,9 +799,9 @@ int fcoe_ctlr_els_send(struct fcoe_ctlr *fip, struct fc_lport *lport,
fip->send(fip, skb);
return -EINPROGRESS;
drop:
- kfree_skb(skb);
LIBFCOE_FIP_DBG(fip, "drop els_send op %u d_id %x\n",
op, ntoh24(fh->fh_d_id));
+ kfree_skb(skb);
return -EINVAL;
}
EXPORT_SYMBOL(fcoe_ctlr_els_send);
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 31d31aad3de1..89b1f1af2fd4 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -2164,6 +2164,7 @@ static void fc_rport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp)
FC_RPORT_DBG(rdata, "Received LOGO request while in state %s\n",
fc_rport_state(rdata));
+ rdata->flags &= ~FC_RP_STARTED;
fc_rport_enter_delete(rdata, RPORT_EV_STOP);
mutex_unlock(&rdata->rp_mutex);
kref_put(&rdata->kref, fc_rport_destroy);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 569392d0d4c9..e44c91edf92d 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -3343,11 +3343,10 @@ _base_mpi_ep_writeq(__u64 b, volatile void __iomem *addr,
spinlock_t *writeq_lock)
{
unsigned long flags;
- __u64 data_out = b;
spin_lock_irqsave(writeq_lock, flags);
- writel((u32)(data_out), addr);
- writel((u32)(data_out >> 32), (addr + 4));
+ __raw_writel((u32)(b), addr);
+ __raw_writel((u32)(b >> 32), (addr + 4));
mmiowb();
spin_unlock_irqrestore(writeq_lock, flags);
}
@@ -3367,7 +3366,8 @@ _base_mpi_ep_writeq(__u64 b, volatile void __iomem *addr,
static inline void
_base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
{
- writeq(b, addr);
+ __raw_writeq(b, addr);
+ mmiowb();
}
#else
static inline void
@@ -5268,7 +5268,7 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
/* send message 32-bits at a time */
for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) {
- writel((u32)(request[i]), &ioc->chip->Doorbell);
+ writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell);
if ((_base_wait_for_doorbell_ack(ioc, 5)))
failed = 1;
}
@@ -5289,7 +5289,7 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
}
/* read the first two 16-bits, it gives the total length of the reply */
- reply[0] = (u16)(readl(&ioc->chip->Doorbell)
+ reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell)
& MPI2_DOORBELL_DATA_MASK);
writel(0, &ioc->chip->HostInterruptStatus);
if ((_base_wait_for_doorbell_int(ioc, 5))) {
@@ -5298,7 +5298,7 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
ioc->name, __LINE__);
return -EFAULT;
}
- reply[1] = (u16)(readl(&ioc->chip->Doorbell)
+ reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell)
& MPI2_DOORBELL_DATA_MASK);
writel(0, &ioc->chip->HostInterruptStatus);
@@ -5312,7 +5312,7 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
if (i >= reply_bytes/2) /* overflow case */
readl(&ioc->chip->Doorbell);
else
- reply[i] = (u16)(readl(&ioc->chip->Doorbell)
+ reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell)
& MPI2_DOORBELL_DATA_MASK);
writel(0, &ioc->chip->HostInterruptStatus);
}
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 091ec1207bea..cff83b9457f7 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -888,7 +888,7 @@ static void qedi_get_boot_tgt_info(struct nvm_iscsi_block *block,
ipv6_en = !!(block->generic.ctrl_flags &
NVM_ISCSI_CFG_GEN_IPV6_ENABLED);
- snprintf(tgt->iscsi_name, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n",
+ snprintf(tgt->iscsi_name, sizeof(tgt->iscsi_name), "%s\n",
block->target[index].target_name.byte);
tgt->ipv6_en = ipv6_en;
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index a91cca52b5d5..dd93a22fe843 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2130,34 +2130,11 @@ __qla2x00_alloc_iocbs(struct qla_qpair *qpair, srb_t *sp)
req_cnt = 1;
handle = 0;
- if (!sp)
- goto skip_cmd_array;
-
- /* Check for room in outstanding command list. */
- handle = req->current_outstanding_cmd;
- for (index = 1; index < req->num_outstanding_cmds; index++) {
- handle++;
- if (handle == req->num_outstanding_cmds)
- handle = 1;
- if (!req->outstanding_cmds[handle])
- break;
- }
- if (index == req->num_outstanding_cmds) {
- ql_log(ql_log_warn, vha, 0x700b,
- "No room on outstanding cmd array.\n");
- goto queuing_error;
- }
-
- /* Prep command array. */
- req->current_outstanding_cmd = handle;
- req->outstanding_cmds[handle] = sp;
- sp->handle = handle;
-
- /* Adjust entry-counts as needed. */
- if (sp->type != SRB_SCSI_CMD)
+ if (sp && (sp->type != SRB_SCSI_CMD)) {
+ /* Adjust entry-counts as needed. */
req_cnt = sp->iocbs;
+ }
-skip_cmd_array:
/* Check for room on request queue. */
if (req->cnt < req_cnt + 2) {
if (qpair->use_shadow_reg)
@@ -2183,6 +2160,28 @@ skip_cmd_array:
if (req->cnt < req_cnt + 2)
goto queuing_error;
+ if (sp) {
+ /* Check for room in outstanding command list. */
+ handle = req->current_outstanding_cmd;
+ for (index = 1; index < req->num_outstanding_cmds; index++) {
+ handle++;
+ if (handle == req->num_outstanding_cmds)
+ handle = 1;
+ if (!req->outstanding_cmds[handle])
+ break;
+ }
+ if (index == req->num_outstanding_cmds) {
+ ql_log(ql_log_warn, vha, 0x700b,
+ "No room on outstanding cmd array.\n");
+ goto queuing_error;
+ }
+
+ /* Prep command array. */
+ req->current_outstanding_cmd = handle;
+ req->outstanding_cmds[handle] = sp;
+ sp->handle = handle;
+ }
+
/* Prep packet */
req->cnt -= req_cnt;
pkt = req->ring_ptr;
@@ -2195,6 +2194,8 @@ skip_cmd_array:
pkt->handle = handle;
}
+ return pkt;
+
queuing_error:
qpair->tgt_counters.num_alloc_iocb_failed++;
return pkt;
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 3f3cb72e0c0c..d0389b20574d 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -523,18 +523,26 @@ static int sr_init_command(struct scsi_cmnd *SCpnt)
static int sr_block_open(struct block_device *bdev, fmode_t mode)
{
struct scsi_cd *cd;
+ struct scsi_device *sdev;
int ret = -ENXIO;
+ cd = scsi_cd_get(bdev->bd_disk);
+ if (!cd)
+ goto out;
+
+ sdev = cd->device;
+ scsi_autopm_get_device(sdev);
check_disk_change(bdev);
mutex_lock(&sr_mutex);
- cd = scsi_cd_get(bdev->bd_disk);
- if (cd) {
- ret = cdrom_open(&cd->cdi, bdev, mode);
- if (ret)
- scsi_cd_put(cd);
- }
+ ret = cdrom_open(&cd->cdi, bdev, mode);
mutex_unlock(&sr_mutex);
+
+ scsi_autopm_put_device(sdev);
+ if (ret)
+ scsi_cd_put(cd);
+
+out:
return ret;
}
@@ -562,6 +570,8 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
if (ret)
goto out;
+ scsi_autopm_get_device(sdev);
+
/*
* Send SCSI addressing ioctls directly to mid level, send other
* ioctls to cdrom/block level.
@@ -570,15 +580,18 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
case SCSI_IOCTL_GET_IDLUN:
case SCSI_IOCTL_GET_BUS_NUMBER:
ret = scsi_ioctl(sdev, cmd, argp);
- goto out;
+ goto put;
}
ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, arg);
if (ret != -ENOSYS)
- goto out;
+ goto put;
ret = scsi_ioctl(sdev, cmd, argp);
+put:
+ scsi_autopm_put_device(sdev);
+
out:
mutex_unlock(&sr_mutex);
return ret;
diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c
index 777e5f1e52d1..0cd947f78b5b 100644
--- a/drivers/scsi/vmw_pvscsi.c
+++ b/drivers/scsi/vmw_pvscsi.c
@@ -561,9 +561,14 @@ static void pvscsi_complete_request(struct pvscsi_adapter *adapter,
(btstat == BTSTAT_SUCCESS ||
btstat == BTSTAT_LINKED_COMMAND_COMPLETED ||
btstat == BTSTAT_LINKED_COMMAND_COMPLETED_WITH_FLAG)) {
- cmd->result = (DID_OK << 16) | sdstat;
- if (sdstat == SAM_STAT_CHECK_CONDITION && cmd->sense_buffer)
- cmd->result |= (DRIVER_SENSE << 24);
+ if (sdstat == SAM_STAT_COMMAND_TERMINATED) {
+ cmd->result = (DID_RESET << 16);
+ } else {
+ cmd->result = (DID_OK << 16) | sdstat;
+ if (sdstat == SAM_STAT_CHECK_CONDITION &&
+ cmd->sense_buffer)
+ cmd->result |= (DRIVER_SENSE << 24);
+ }
} else
switch (btstat) {
case BTSTAT_SUCCESS: