Use WARN() in mm/vmalloc.c

[linux-2.6-omap-h63xx.git] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 470c10ceb0fb3a33dc8f28e7e8b2d3535042075b..dcf37cada3697d898c2d0c70c875450826845440 100644 (file)
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -271,7 +271,7 @@ static void bdev_destroy_inode(struct inode *inode)
        kmem_cache_free(bdev_cachep, bdi);
 }
 
-static void init_once(struct kmem_cache * cachep, void *foo)
+static void init_once(void *foo)
 {
        struct bdev_inode *ei = (struct bdev_inode *) foo;
        struct block_device *bdev = &ei->bdev;
@@ -931,8 +931,16 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
        struct gendisk *disk;
        int ret;
        int part;
+       int perm = 0;
 
-       ret = devcgroup_inode_permission(bdev->bd_inode, file->f_mode);
+       if (file->f_mode & FMODE_READ)
+               perm |= MAY_READ;
+       if (file->f_mode & FMODE_WRITE)
+               perm |= MAY_WRITE;
+       /*
+        * hooks: /n/, see "layering violations".
+        */
+       ret = devcgroup_inode_permission(bdev->bd_inode, perm);
        if (ret != 0)
                return ret;