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| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-06-19 13:01:04 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-06-20 10:46:04 -0400 |
| commit | 482e0cd3dbaa70f2a2bead4b5f2c0d203ef654ba (patch) | |
| tree | 68d885682da34a08c29908d012a356344882a487 /security | |
| parent | 8e833fd2e1f0107ee7a4b6bc4de3c9f0e9b0ed41 (diff) | |
| download | lwn-482e0cd3dbaa70f2a2bead4b5f2c0d203ef654ba.tar.gz lwn-482e0cd3dbaa70f2a2bead4b5f2c0d203ef654ba.zip | |
devcgroup_inode_permission: take "is it a device node" checks to inlined wrapper
inode_permission() calls devcgroup_inode_permission() and almost all such
calls are _not_ for device nodes; let's at least keep the common path
straight...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'security')
| -rw-r--r-- | security/device_cgroup.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/security/device_cgroup.c b/security/device_cgroup.c index cd1f779fa51d..1be68269e1c2 100644 --- a/security/device_cgroup.c +++ b/security/device_cgroup.c @@ -474,17 +474,11 @@ struct cgroup_subsys devices_subsys = { .subsys_id = devices_subsys_id, }; -int devcgroup_inode_permission(struct inode *inode, int mask) +int __devcgroup_inode_permission(struct inode *inode, int mask) { struct dev_cgroup *dev_cgroup; struct dev_whitelist_item *wh; - dev_t device = inode->i_rdev; - if (!device) - return 0; - if (!S_ISBLK(inode->i_mode) && !S_ISCHR(inode->i_mode)) - return 0; - rcu_read_lock(); dev_cgroup = task_devcgroup(current); |