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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-29 16:17:15 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-30 13:14:26 -0600
commit203a512f0976e8ba85df36d76b40af6c80239121 (patch)
tree3954b548aec9c2748e06f97ad9dd7af105260141
parent40f620286dd08e29c995ca631f45e8d03f4fe1be (diff)
[SCSI] Revert "[SCSI] aacraid: fib context lock for management ioctls"
This reverts commit a119ee8ee3045bf559d4cf02d72b112f3de2a15b. Adaptec found this was causing system lockups. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
-rw-r--r--drivers/scsi/aacraid/commctrl.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 851a7e599c5..f8afa358b6b 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -243,7 +243,6 @@ static int next_getadapter_fib(struct aac_dev * dev, void __user *arg)
* Search the list of AdapterFibContext addresses on the adapter
* to be sure this is a valid address
*/
- spin_lock_irqsave(&dev->fib_lock, flags);
entry = dev->fib_list.next;
fibctx = NULL;
@@ -252,25 +251,24 @@ static int next_getadapter_fib(struct aac_dev * dev, void __user *arg)
/*
* Extract the AdapterFibContext from the Input parameters.
*/
- if (fibctx->unique == f.fibctx) { /* We found a winner */
+ if (fibctx->unique == f.fibctx) { /* We found a winner */
break;
}
entry = entry->next;
fibctx = NULL;
}
if (!fibctx) {
- spin_unlock_irqrestore(&dev->fib_lock, flags);
dprintk ((KERN_INFO "Fib Context not found\n"));
return -EINVAL;
}
if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) ||
(fibctx->size != sizeof(struct aac_fib_context))) {
- spin_unlock_irqrestore(&dev->fib_lock, flags);
dprintk ((KERN_INFO "Fib Context corrupt?\n"));
return -EINVAL;
}
status = 0;
+ spin_lock_irqsave(&dev->fib_lock, flags);
/*
* If there are no fibs to send back, then either wait or return
* -EAGAIN
@@ -328,9 +326,7 @@ return_fib:
int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx)
{
struct fib *fib;
- unsigned long flags;
- spin_lock_irqsave(&dev->fib_lock, flags);
/*
* First free any FIBs that have not been consumed.
*/
@@ -353,7 +349,6 @@ int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx)
* Remove the Context from the AdapterFibContext List
*/
list_del(&fibctx->next);
- spin_unlock_irqrestore(&dev->fib_lock, flags);
/*
* Invalidate context
*/
@@ -419,8 +414,8 @@ static int close_getadapter_fib(struct aac_dev * dev, void __user *arg)
* @arg: ioctl arguments
*
* This routine returns the driver version.
- * Under Linux, there have been no version incompatibilities, so this is
- * simple!
+ * Under Linux, there have been no version incompatibilities, so this is
+ * simple!
*/
static int check_revision(struct aac_dev *dev, void __user *arg)
@@ -468,7 +463,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
u32 data_dir;
void __user *sg_user[32];
void *sg_list[32];
- u32 sg_indx = 0;
+ u32 sg_indx = 0;
u32 byte_count = 0;
u32 actual_fibsize64, actual_fibsize = 0;
int i;
@@ -522,11 +517,11 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
// Fix up srb for endian and force some values
srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); // Force this
- srbcmd->channel = cpu_to_le32(user_srbcmd->channel);
+ srbcmd->channel = cpu_to_le32(user_srbcmd->channel);
srbcmd->id = cpu_to_le32(user_srbcmd->id);
- srbcmd->lun = cpu_to_le32(user_srbcmd->lun);
- srbcmd->timeout = cpu_to_le32(user_srbcmd->timeout);
- srbcmd->flags = cpu_to_le32(flags);
+ srbcmd->lun = cpu_to_le32(user_srbcmd->lun);
+ srbcmd->timeout = cpu_to_le32(user_srbcmd->timeout);
+ srbcmd->flags = cpu_to_le32(flags);
srbcmd->retry_limit = 0; // Obsolete parameter
srbcmd->cdb_size = cpu_to_le32(user_srbcmd->cdb_size);
memcpy(srbcmd->cdb, user_srbcmd->cdb, sizeof(srbcmd->cdb));
@@ -791,9 +786,9 @@ static int aac_get_pci_info(struct aac_dev* dev, void __user *arg)
pci_info.bus = dev->pdev->bus->number;
pci_info.slot = PCI_SLOT(dev->pdev->devfn);
- if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) {
- dprintk((KERN_DEBUG "aacraid: Could not copy pci info\n"));
- return -EFAULT;
+ if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) {
+ dprintk((KERN_DEBUG "aacraid: Could not copy pci info\n"));
+ return -EFAULT;
}
return 0;
}