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| author | James Morris <jmorris@namei.org> | 2011-06-30 18:43:56 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-06-30 18:43:56 +1000 |
| commit | 5b944a71a192977c1c018bbcfa0c52dca48e2368 (patch) | |
| tree | 9f234c4a93bb28890ad086c846d2bf0b35f7f7ae /include/linux/device_cgroup.h | |
| parent | 0e4ae0e0dec634b2ae53ac57d14141b140467dbe (diff) | |
| parent | c017d0d1351f916c0ced3f358afc491fdcf490b4 (diff) | |
| download | kernel_replicant_linux-5b944a71a192977c1c018bbcfa0c52dca48e2368.tar.gz kernel_replicant_linux-5b944a71a192977c1c018bbcfa0c52dca48e2368.tar.bz2 kernel_replicant_linux-5b944a71a192977c1c018bbcfa0c52dca48e2368.zip | |
Merge branch 'linus' into next
Diffstat (limited to 'include/linux/device_cgroup.h')
| -rw-r--r-- | include/linux/device_cgroup.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/device_cgroup.h b/include/linux/device_cgroup.h index 0b0d9c39ed67..7aad1f440867 100644 --- a/include/linux/device_cgroup.h +++ b/include/linux/device_cgroup.h @@ -2,8 +2,16 @@ #include <linux/fs.h> #ifdef CONFIG_CGROUP_DEVICE -extern int devcgroup_inode_permission(struct inode *inode, int mask); +extern int __devcgroup_inode_permission(struct inode *inode, int mask); extern int devcgroup_inode_mknod(int mode, dev_t dev); +static inline int devcgroup_inode_permission(struct inode *inode, int mask) +{ + if (likely(!inode->i_rdev)) + return 0; + if (!S_ISBLK(inode->i_mode) && !S_ISCHR(inode->i_mode)) + return 0; + return __devcgroup_inode_permission(inode, mask); +} #else static inline int devcgroup_inode_permission(struct inode *inode, int mask) { return 0; } |