diff options
| author |   Jonathan Corbet <corbet@lwn.net> | 2008-05-15 12:23:19 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 14:05:49 -0600 |
| commit | 647d87bd1b9e7ff24f89b7d4e38c75d756018caa (patch) | |
| tree | 8dafda1aeb310843b5f7c087ae7b3c706138796a /drivers/scsi/osst.c | |
| parent | sg: cdev lock_kernel() pushdown (diff) | |
| download | linux-dev-647d87bd1b9e7ff24f89b7d4e38c75d756018caa.tar.xz linux-dev-647d87bd1b9e7ff24f89b7d4e38c75d756018caa.zip | |
osst: cdev lock_kernel() pushdown.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'drivers/scsi/osst.c')
| -rw-r--r-- | drivers/scsi/osst.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c index 31f7aec44d90..24ad89a649ce 100644 --- a/drivers/scsi/osst.c +++ b/drivers/scsi/osst.c @@ -50,6 +50,7 @@ static const char * osst_version = "0.99.4"; #include <linux/moduleparam.h> #include <linux/delay.h> #include <linux/jiffies.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/dma.h> #include <asm/system.h> @@ -4359,7 +4360,7 @@ os_bypass: /* Open the device */ -static int os_scsi_tape_open(struct inode * inode, struct file * filp) +static int __os_scsi_tape_open(struct inode * inode, struct file * filp) { unsigned short flags; int i, b_size, new_session = 0, retval = 0; @@ -4725,6 +4726,18 @@ err_out: return retval; } +/* BKL pushdown: spaghetti avoidance wrapper */ +static int os_scsi_tape_open(struct inode * inode, struct file * filp) +{ + int ret; + + lock_kernel(); + ret = __os_scsi_tape_open(inode, filp); + unlock_kernel(); + return ret; +} + + /* Flush the tape buffer before close */ static int os_scsi_tape_flush(struct file * filp, fl_owner_t id) |