diff options
Diffstat (limited to 'drivers/char/ip2/ip2main.c')
| -rw-r--r-- | drivers/char/ip2/ip2main.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index d4b71e8..dfbdf49 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -98,7 +98,7 @@ #include <linux/major.h> #include <linux/wait.h> #include <linux/device.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/firmware.h> #include <linux/platform_device.h> @@ -138,6 +138,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> +static DEFINE_MUTEX(ip2_mutex); static const struct file_operations ip2mem_proc_fops; static const struct file_operations ip2_proc_fops; @@ -2897,7 +2898,7 @@ ip2_ipl_ioctl (struct file *pFile, UINT cmd, ULONG arg ) printk (KERN_DEBUG "IP2IPL: ioctl cmd %d, arg %ld\n", cmd, arg ); #endif - lock_kernel(); + mutex_lock(&ip2_mutex); switch ( iplminor ) { case 0: // IPL device @@ -2961,7 +2962,7 @@ ip2_ipl_ioctl (struct file *pFile, UINT cmd, ULONG arg ) rc = -ENODEV; break; } - unlock_kernel(); + mutex_unlock(&ip2_mutex); return rc; } @@ -2982,7 +2983,6 @@ ip2_ipl_open( struct inode *pInode, struct file *pFile ) #ifdef IP2DEBUG_IPL printk (KERN_DEBUG "IP2IPL: open\n" ); #endif - cycle_kernel_lock(); return 0; } |
