diff options
Diffstat (limited to 'drivers/scsi/aacraid/linit.c')
| -rw-r--r-- | drivers/scsi/aacraid/linit.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index cad6f9abaeb..6e233362dd7 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -38,7 +38,7 @@ #include <linux/moduleparam.h> #include <linux/pci.h> #include <linux/slab.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/spinlock.h> #include <linux/syscalls.h> #include <linux/delay.h> @@ -76,6 +76,7 @@ MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " MODULE_LICENSE("GPL"); MODULE_VERSION(AAC_DRIVER_FULL_VERSION); +static DEFINE_MUTEX(aac_mutex); static LIST_HEAD(aac_devices); static int aac_cfg_major = -1; char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; @@ -678,7 +679,7 @@ static int aac_cfg_open(struct inode *inode, struct file *file) unsigned minor_number = iminor(inode); int err = -ENODEV; - lock_kernel(); /* BKL pushdown: nothing else protects this list */ + mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ list_for_each_entry(aac, &aac_devices, entry) { if (aac->id == minor_number) { file->private_data = aac; @@ -686,7 +687,7 @@ static int aac_cfg_open(struct inode *inode, struct file *file) break; } } - unlock_kernel(); + mutex_unlock(&aac_mutex); return err; } @@ -711,9 +712,9 @@ static long aac_cfg_ioctl(struct file *file, int ret; if (!capable(CAP_SYS_RAWIO)) return -EPERM; - lock_kernel(); + mutex_lock(&aac_mutex); ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg); - unlock_kernel(); + mutex_unlock(&aac_mutex); return ret; } @@ -722,7 +723,7 @@ static long aac_cfg_ioctl(struct file *file, static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) { long ret; - lock_kernel(); + mutex_lock(&aac_mutex); switch (cmd) { case FSACTL_MINIPORT_REV_CHECK: case FSACTL_SENDFIB: @@ -756,7 +757,7 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long ret = -ENOIOCTLCMD; break; } - unlock_kernel(); + mutex_unlock(&aac_mutex); return ret; } |