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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-07 19:08:56 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-07 19:08:56 +0100 |
| commit | 5a89770daad83df74d77a8d34a1ffaedae565ce9 (patch) | |
| tree | 0d8ef70293a6ef969ba8b7718e59608337643d40 /security/device_cgroup.c | |
| parent | c46c948260f41af18b277c1eb1895d788d3605dc (diff) | |
| parent | af7c951d76708c61b862463d579d76be757130bf (diff) | |
| download | blackbird-op-linux-5a89770daad83df74d77a8d34a1ffaedae565ce9.tar.gz blackbird-op-linux-5a89770daad83df74d77a8d34a1ffaedae565ce9.zip | |
Merge branches 'pxa-core' and 'pxa-machines' into pxa-all
Conflicts:
arch/arm/mach-pxa/Kconfig
arch/arm/mach-pxa/pxa25x.c
arch/arm/mach-pxa/pxa27x.c
Diffstat (limited to 'security/device_cgroup.c')
| -rw-r--r-- | security/device_cgroup.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/security/device_cgroup.c b/security/device_cgroup.c index 7bd296cca041..46f23971f7e4 100644 --- a/security/device_cgroup.c +++ b/security/device_cgroup.c @@ -508,12 +508,11 @@ int devcgroup_inode_permission(struct inode *inode, int mask) return 0; if (!S_ISBLK(inode->i_mode) && !S_ISCHR(inode->i_mode)) return 0; - dev_cgroup = css_to_devcgroup(task_subsys_state(current, - devices_subsys_id)); - if (!dev_cgroup) - return 0; rcu_read_lock(); + + dev_cgroup = task_devcgroup(current); + list_for_each_entry_rcu(wh, &dev_cgroup->whitelist, list) { if (wh->type & DEV_ALL) goto acc_check; @@ -533,6 +532,7 @@ acc_check: rcu_read_unlock(); return 0; } + rcu_read_unlock(); return -EPERM; @@ -543,12 +543,10 @@ int devcgroup_inode_mknod(int mode, dev_t dev) struct dev_cgroup *dev_cgroup; struct dev_whitelist_item *wh; - dev_cgroup = css_to_devcgroup(task_subsys_state(current, - devices_subsys_id)); - if (!dev_cgroup) - return 0; - rcu_read_lock(); + + dev_cgroup = task_devcgroup(current); + list_for_each_entry(wh, &dev_cgroup->whitelist, list) { if (wh->type & DEV_ALL) goto acc_check; @@ -566,6 +564,8 @@ acc_check: rcu_read_unlock(); return 0; } + rcu_read_unlock(); + return -EPERM; } |
