diff options
| author |   Kashyap Desai <Kashyap.Desai@lsi.com> | 2012-07-17 18:20:44 -0700 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Parallels.com> | 2012-08-22 09:39:25 +0400 |
| commit | bd8d6dd43a77bfd2b8fef5b094b9d6095e169dee (patch) | |
| tree | 72de4e32718559ec28f8ad31b26f4d4b4676a950 /drivers/scsi/megaraid | |
| parent | [SCSI] mpt2sas: Fix for Driver oops, when loading driver with max_queue_depth command line option to a very small value (diff) | |
| download | linux-dev-bd8d6dd43a77bfd2b8fef5b094b9d6095e169dee.tar.xz linux-dev-bd8d6dd43a77bfd2b8fef5b094b9d6095e169dee.zip | |
[SCSI] megaraid_sas: Move poll_aen_lock initializer
The following patch moves the poll_aen_lock initializer from
megasas_probe_one() to megasas_init(). This prevents a crash when a user
loads the driver and tries to issue a poll() system call on the ioctl
interface with no adapters present.
Signed-off-by: Kashyap Desai <Kashyap.Desai@lsi.com>
Signed-off-by: Adam Radford <aradford@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/megaraid')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index dc27598785e5..ed38454228c6 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -4066,7 +4066,6 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init(&instance->cmd_pool_lock); spin_lock_init(&instance->hba_lock); spin_lock_init(&instance->completion_lock); - spin_lock_init(&poll_aen_lock); mutex_init(&instance->aen_mutex); mutex_init(&instance->reset_mutex); @@ -5392,6 +5391,8 @@ static int __init megasas_init(void) printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION, MEGASAS_EXT_VERSION); + spin_lock_init(&poll_aen_lock); + support_poll_for_event = 2; support_device_change = 1; |