diff options
Diffstat (limited to 'drivers/message/i2o/i2o_block.c')
| -rw-r--r-- | drivers/message/i2o/i2o_block.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c index d1bdf8abe5db..a5bc3ee0d93e 100644 --- a/drivers/message/i2o/i2o_block.c +++ b/drivers/message/i2o/i2o_block.c @@ -53,6 +53,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/i2o.h> +#include <linux/smp_lock.h> #include <linux/mempool.h> @@ -577,6 +578,7 @@ static int i2o_block_open(struct block_device *bdev, fmode_t mode) if (!dev->i2o_dev) return -ENODEV; + lock_kernel(); if (dev->power > 0x1f) i2o_block_device_power(dev, 0x02); @@ -585,6 +587,7 @@ static int i2o_block_open(struct block_device *bdev, fmode_t mode) i2o_block_device_lock(dev->i2o_dev, -1); osm_debug("Ready.\n"); + unlock_kernel(); return 0; }; @@ -615,6 +618,7 @@ static int i2o_block_release(struct gendisk *disk, fmode_t mode) if (!dev->i2o_dev) return 0; + lock_kernel(); i2o_block_device_flush(dev->i2o_dev); i2o_block_device_unlock(dev->i2o_dev, -1); @@ -625,6 +629,7 @@ static int i2o_block_release(struct gendisk *disk, fmode_t mode) operation = 0x24; i2o_block_device_power(dev, operation); + unlock_kernel(); return 0; } |