1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index 2e46815876df..75333d0a3327 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -20,7 +20,7 @@
 #include <linux/fd.h>
 #include <linux/slab.h>
 #include <linux/blkdev.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <linux/hdreg.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
@@ -222,6 +222,7 @@ extern int swim_read_sector_header(struct swim __iomem *base,
 extern int swim_read_sector_data(struct swim __iomem *base,
                                  unsigned char *data);
 
+static DEFINE_MUTEX(swim_mutex);
 static inline void set_swim_mode(struct swim __iomem *base, int enable)
 {
         struct iwm __iomem *iwm_base;
@@ -666,9 +667,9 @@ static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode)
 {
         int ret;
 
-        lock_kernel();
+        mutex_lock(&swim_mutex);
         ret = floppy_open(bdev, mode);
-        unlock_kernel();
+        mutex_unlock(&swim_mutex);
 
         return ret;
 }
@@ -678,7 +679,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
         struct floppy_state *fs = disk->private_data;
         struct swim __iomem *base = fs->swd->base;
 
-        lock_kernel();
+        mutex_lock(&swim_mutex);
         if (fs->ref_count < 0)
                 fs->ref_count = 0;
         else if (fs->ref_count > 0)
@@ -686,7 +687,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
 
         if (fs->ref_count == 0)
                 swim_motor(base, OFF);
-        unlock_kernel();
+        mutex_unlock(&swim_mutex);
 
         return 0;
 }
@@ -704,9 +705,9 @@ static int floppy_ioctl(struct block_device *bdev, fmode_t mode,
         case FDEJECT:
                 if (fs->ref_count != 1)
                         return -EBUSY;
-                lock_kernel();
+                mutex_lock(&swim_mutex);
                 err = floppy_eject(fs);
-                unlock_kernel();
+                mutex_unlock(&swim_mutex);
                 return err;
 
         case FDGETPRM: