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author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-29 16:17:15 -0500 |
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committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-30 13:14:26 -0600 |
commit | 203a512f0976e8ba85df36d76b40af6c80239121 (patch) | |
tree | 3954b548aec9c2748e06f97ad9dd7af105260141 /drivers/scsi/aacraid/commctrl.c | |
parent | 40f620286dd08e29c995ca631f45e8d03f4fe1be (diff) | |
download | kernel_goldelico_gta04-203a512f0976e8ba85df36d76b40af6c80239121.zip kernel_goldelico_gta04-203a512f0976e8ba85df36d76b40af6c80239121.tar.gz kernel_goldelico_gta04-203a512f0976e8ba85df36d76b40af6c80239121.tar.bz2 |
[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>
Diffstat (limited to 'drivers/scsi/aacraid/commctrl.c')
-rw-r--r-- | drivers/scsi/aacraid/commctrl.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index 851a7e5..f8afa35 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; } |