diff options
Diffstat (limited to 'drivers/scsi/megaraid.c')
| -rw-r--r-- | drivers/scsi/megaraid.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 49eb0612d5a..0b6e3228610 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -47,6 +47,7 @@ #include <linux/init.h> #include <linux/dma-mapping.h> #include <linux/smp_lock.h> +#include <linux/slab.h> #include <scsi/scsicam.h> #include "scsi.h" @@ -90,12 +91,15 @@ static struct proc_dir_entry *mega_proc_dir_entry; /* For controller re-ordering */ static struct mega_hbas mega_hbas[MAX_CONTROLLERS]; +static long +megadev_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); + /* * The File Operations structure for the serial/ioctl interface of the driver */ static const struct file_operations megadev_fops = { .owner = THIS_MODULE, - .ioctl = megadev_ioctl, + .unlocked_ioctl = megadev_unlocked_ioctl, .open = megadev_open, }; @@ -3301,8 +3305,7 @@ megadev_open (struct inode *inode, struct file *filep) * controller. */ static int -megadev_ioctl(struct inode *inode, struct file *filep, unsigned int cmd, - unsigned long arg) +megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) { adapter_t *adapter; nitioctl_t uioc; @@ -3693,6 +3696,18 @@ freemem_and_return: return 0; } +static long +megadev_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) +{ + int ret; + + lock_kernel(); + ret = megadev_ioctl(filep, cmd, arg); + unlock_kernel(); + + return ret; +} + /** * mega_m_to_n() * @arg - user address |