Remove unneeded lock_kernel() in driver/block/loop.c

Signed-off-by: Diego Woitasen <diego@woitasen.com.ar>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index e5a0515..589cbbd 100644 (file)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1285,7 +1285,6 @@ static long lo_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
        struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
        int err;
 
-       lock_kernel();
        switch(cmd) {
        case LOOP_SET_STATUS:
                mutex_lock(&lo->lo_ctl_mutex);
@@ -1311,7 +1310,6 @@ static long lo_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
                err = -ENOIOCTLCMD;
                break;
        }
-       unlock_kernel();
        return err;
 }
 #endif