diff options
Diffstat (limited to 'drivers/scsi/dpt_i2o.c')
| -rw-r--r-- | drivers/scsi/dpt_i2o.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index ffc1edf5e80d..23dec0063385 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -49,7 +49,6 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver"); #include <linux/kernel.h> /* for printk */ #include <linux/sched.h> #include <linux/reboot.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/dma-mapping.h> @@ -76,6 +75,7 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver"); * Needed for our management apps *============================================================================ */ +static DEFINE_MUTEX(adpt_mutex); static dpt_sig_S DPTI_sig = { {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION, #ifdef __i386__ @@ -126,6 +126,7 @@ static const struct file_operations adpt_fops = { #ifdef CONFIG_COMPAT .compat_ioctl = compat_adpt_ioctl, #endif + .llseek = noop_llseek, }; /* Structures and definitions for synchronous message posting. @@ -1732,12 +1733,12 @@ static int adpt_open(struct inode *inode, struct file *file) int minor; adpt_hba* pHba; - lock_kernel(); + mutex_lock(&adpt_mutex); //TODO check for root access // minor = iminor(inode); if (minor >= hba_count) { - unlock_kernel(); + mutex_unlock(&adpt_mutex); return -ENXIO; } mutex_lock(&adpt_configuration_lock); @@ -1748,7 +1749,7 @@ static int adpt_open(struct inode *inode, struct file *file) } if (pHba == NULL) { mutex_unlock(&adpt_configuration_lock); - unlock_kernel(); + mutex_unlock(&adpt_mutex); return -ENXIO; } @@ -1759,7 +1760,7 @@ static int adpt_open(struct inode *inode, struct file *file) pHba->in_use = 1; mutex_unlock(&adpt_configuration_lock); - unlock_kernel(); + mutex_unlock(&adpt_mutex); return 0; } @@ -2160,9 +2161,9 @@ static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg) inode = file->f_dentry->d_inode; - lock_kernel(); + mutex_lock(&adpt_mutex); ret = adpt_ioctl(inode, file, cmd, arg); - unlock_kernel(); + mutex_unlock(&adpt_mutex); return ret; } @@ -2176,7 +2177,7 @@ static long compat_adpt_ioctl(struct file *file, inode = file->f_dentry->d_inode; - lock_kernel(); + mutex_lock(&adpt_mutex); switch(cmd) { case DPT_SIGNATURE: @@ -2194,7 +2195,7 @@ static long compat_adpt_ioctl(struct file *file, ret = -ENOIOCTLCMD; } - unlock_kernel(); + mutex_unlock(&adpt_mutex); return ret; } |