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-rw-r--r--drivers/message/fusion/mptbase.c11
-rw-r--r--drivers/message/fusion/mptctl.c6
-rw-r--r--drivers/message/fusion/mptspi.c9
-rw-r--r--drivers/message/i2o/i2o_config.c12
4 files changed, 28 insertions, 10 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 9bc35617b871..75e599b85b64 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1751,9 +1751,14 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
ioc->bus_type = SAS;
}
- if (ioc->bus_type == SAS && mpt_msi_enable == -1)
- ioc->msi_enable = 1;
- else
+ if (mpt_msi_enable == -1) {
+ /* Enable on SAS, disable on FC and SPI */
+ if (ioc->bus_type == SAS)
+ ioc->msi_enable = 1;
+ else
+ ioc->msi_enable = 0;
+ } else
+ /* follow flag: 0 - disable; 1 - enable */
ioc->msi_enable = mpt_msi_enable;
if (ioc->errata_flag_1064)
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index 68c844b2859d..a5920423e2b2 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -548,11 +548,15 @@ static int
mptctl_fasync(int fd, struct file *filep, int mode)
{
MPT_ADAPTER *ioc;
+ int ret;
+ lock_kernel();
list_for_each_entry(ioc, &ioc_list, list)
ioc->aen_event_read_flag=0;
- return fasync_helper(fd, filep, mode, &async_queue);
+ ret = fasync_helper(fd, filep, mode, &async_queue);
+ unlock_kernel();
+ return ret;
}
static int
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 9b49516cf5a0..61620144e49c 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -1267,13 +1267,18 @@ mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd)
static int
mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
{
- struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
int rc;
rc = mptscsih_ioc_reset(ioc, reset_phase);
- if (reset_phase == MPT_IOC_POST_RESET)
+ /* only try to do a renegotiation if we're properly set up
+ * if we get an ioc fault on bringup, ioc->sh will be NULL */
+ if (reset_phase == MPT_IOC_POST_RESET &&
+ ioc->sh) {
+ struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
+
mptspi_dv_renegotiate(hd);
+ }
return rc;
}
diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c
index c0fb77dc19bb..4238de98d4a6 100644
--- a/drivers/message/i2o/i2o_config.c
+++ b/drivers/message/i2o/i2o_config.c
@@ -1061,6 +1061,7 @@ static int cfg_open(struct inode *inode, struct file *file)
if (!tmp)
return -ENOMEM;
+ lock_kernel();
file->private_data = (void *)(i2o_cfg_info_id++);
tmp->fp = file;
tmp->fasync = NULL;
@@ -1074,6 +1075,7 @@ static int cfg_open(struct inode *inode, struct file *file)
spin_lock_irqsave(&i2o_config_lock, flags);
open_files = tmp;
spin_unlock_irqrestore(&i2o_config_lock, flags);
+ unlock_kernel();
return 0;
}
@@ -1082,15 +1084,17 @@ static int cfg_fasync(int fd, struct file *fp, int on)
{
ulong id = (ulong) fp->private_data;
struct i2o_cfg_info *p;
+ int ret = -EBADF;
+ lock_kernel();
for (p = open_files; p; p = p->next)
if (p->q_id == id)
break;
- if (!p)
- return -EBADF;
-
- return fasync_helper(fd, fp, on, &p->fasync);
+ if (p)
+ ret = fasync_helper(fd, fp, on, &p->fasync);
+ unlock_kernel();
+ return ret;
}
static int cfg_release(struct inode *inode, struct file *file)