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| author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:24:17 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:24:17 +0200 |
| commit | 9583f3d9c00974911daf227cbaa12d6c1caaabad (patch) | |
| tree | f37466204ecbfea37c7d567fd06c9bece0cc663d /fs/block_dev.c | |
| parent | 962cf36c5bf6d2840b8d66ee9a606fae2f540bbd (diff) | |
| parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) | |
| download | linux-9583f3d9c00974911daf227cbaa12d6c1caaabad.tar.bz2 | |
Merge branch 'linus' into core/softirq
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); |