diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-09-24 09:56:20 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-09-24 09:56:20 +0200 |
commit | ebdd90a8cb2e3963f55499850f02ce6003558b55 (patch) | |
tree | d153f917ed41d257ddafa22f9cc2201bfddf8f9c /kernel/capability.c | |
parent | 3c9339049df5cc3a468c11de6c4101a1ea8c3d83 (diff) | |
parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) |
Merge commit 'v2.6.27-rc7' into x86/pebs
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 0101e847603e..33e51e78c2d8 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); |