diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2008-05-18 15:32:43 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 14:05:53 -0600 |
| commit | f2b9857eee17797541b845782ade4d7a9d50f843 (patch) | |
| tree | 914a00afee2ff953199f99f7cf869e3fd83b36bd /drivers/scsi/megaraid | |
| parent | 0b2806768899dba5967bcd4a3b93eaed9a1dc4f3 (diff) | |
| download | linux-f2b9857eee17797541b845782ade4d7a9d50f843.tar.gz | |
Add a bunch of cycle_kernel_lock() calls
All of the open() functions which don't need the BKL on their face may still depend on its acquisition to serialize opens against driver initialization. So make those functions acquire then release the BKL to be on the safe side. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'drivers/scsi/megaraid')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 81374b7c555c..fc7ac158476c 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -33,6 +33,7 @@ #include <linux/spinlock.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <linux/smp_lock.h> #include <linux/uio.h> #include <asm/uaccess.h> #include <linux/fs.h> @@ -2860,10 +2861,10 @@ static void megasas_shutdown(struct pci_dev *pdev) /** * megasas_mgmt_open - char node "open" entry point - * No BKL is needed here. */ static int megasas_mgmt_open(struct inode *inode, struct file *filep) { + cycle_kernel_lock(); /* * Allow only those users with admin rights */ |