diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-22 06:06:51 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-08-22 06:06:51 +0200 |
commit | 8b53b57576292b92b27769f9e213df19b6e57786 (patch) | |
tree | cd851ce4fa71b2653f120d7f11a9c6cbcf311b19 /kernel/capability.c | |
parent | ab7e79243746e2a9c5f00243e60108189c44c9eb (diff) | |
parent | 38cc1c3df77c1bb739a4766788eb9fa49f16ffdf (diff) |
Merge branch 'x86/urgent' into x86/pat
Conflicts:
arch/x86/mm/pageattr.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/capability.c')
-rw-r--r-- | kernel/capability.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/kernel/capability.c b/kernel/capability.c index 0101e847603..33e51e78c2d 100644 --- a/kernel/capability.c +++ b/kernel/capability.c @@ -486,17 +486,22 @@ asmlinkage long sys_capset(cap_user_header_t header, const cap_user_data_t data) return ret; } -int __capable(struct task_struct *t, int cap) +/** + * capable - Determine if the current task has a superior capability in effect + * @cap: The capability to be tested for + * + * Return true if the current task has the given superior capability currently + * available for use, false if not. + * + * This sets PF_SUPERPRIV on the task if the capability is available on the + * assumption that it's about to be used. + */ +int capable(int cap) { - if (security_capable(t, cap) == 0) { - t->flags |= PF_SUPERPRIV; + if (has_capability(current, cap)) { + current->flags |= PF_SUPERPRIV; return 1; } return 0; } - -int capable(int cap) -{ - return __capable(current, cap); -} EXPORT_SYMBOL(capable); |