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authorH. Peter Anvin <hpa@zytor.com>2008-08-27 19:17:07 -0700
committerH. Peter Anvin <hpa@zytor.com>2008-08-27 19:17:07 -0700
commitb30a72a7edfc64c8929104d5c2178aca489aa559 (patch)
tree2b26c155c318d08d946bd2d70cf815dcdb29a243 /include/linux/capability.h
parentf1c5d30e1d79bbfb60eaf189db862d3cb2bcac92 (diff)
parentc1b362e3b4d331a63915b268a33207311a439d60 (diff)
Merge branch 'x86/urgent' into x86/cpu
Conflicts: arch/x86/kernel/cpu/cyrix.c
Diffstat (limited to 'include/linux/capability.h')
-rw-r--r--include/linux/capability.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 02673846d205..9d1fe30b6f6c 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -503,8 +503,19 @@ extern const kernel_cap_t __cap_init_eff_set;
kernel_cap_t cap_set_effective(const kernel_cap_t pE_new);
-int capable(int cap);
-int __capable(struct task_struct *t, int cap);
+/**
+ * has_capability - Determine if a task has a superior capability available
+ * @t: The task in question
+ * @cap: The capability to be tested for
+ *
+ * Return true if the specified task has the given superior capability
+ * currently in effect, false if not.
+ *
+ * Note that this does not set PF_SUPERPRIV on the task.
+ */
+#define has_capability(t, cap) (security_capable((t), (cap)) == 0)
+
+extern int capable(int cap);
#endif /* __KERNEL__ */