diff options
author | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 09:04:45 -0700 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 09:04:45 -0700 |
commit | fe47784ba5cbb6b713c013e046859946789b45e4 (patch) | |
tree | 6384958d55e29be0d2eb8ae78fa437c10636d8d6 /kernel/capability.c | |
parent | 83b8e28b14d63db928cb39e5c5ed2a548246bd71 (diff) | |
parent | af2e1f276ff08f17192411ea3b71c13a758dfe12 (diff) |
Merge branch 'x86/cpu' into x86/xsave
Conflicts:
arch/x86/kernel/cpu/feature_names.c
include/asm-x86/cpufeature.h
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); |