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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-07-09 21:34:25 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-07-09 21:34:25 +0100 |
| commit | f974a8ec96571535ee07880a023bcce0e3f2c76b (patch) | |
| tree | 5cf09207b1ad292a55275cd0b24999fa29b9dfe8 /fs/block_dev.c | |
| parent | c0b8556f2f8146bd38324b14b1ce00f249ba8ed9 (diff) | |
| parent | 4ed47896935573c8423d05bddda3f269d6e6c613 (diff) | |
| download | linux-f974a8ec96571535ee07880a023bcce0e3f2c76b.tar.bz2 | |
Merge branch 'machtypes' into pxa-palm
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 7d822fae7765..470c10ceb0fb 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -12,6 +12,7 @@ #include <linux/kmod.h> #include <linux/major.h> #include <linux/smp_lock.h> +#include <linux/device_cgroup.h> #include <linux/highmem.h> #include <linux/blkdev.h> #include <linux/module.h> @@ -928,9 +929,14 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) { struct module *owner = NULL; struct gendisk *disk; - int ret = -ENXIO; + int ret; int part; + ret = devcgroup_inode_permission(bdev->bd_inode, file->f_mode); + if (ret != 0) + return ret; + + ret = -ENXIO; file->f_mapping = bdev->bd_inode->i_mapping; lock_kernel(); disk = get_gendisk(bdev->bd_dev, &part); |