From 12b5989be10011387a9da5dee82e5c0d6f9d02e7 Mon Sep 17 00:00:00 2001 From: Chris Wright Date: Sat, 25 Mar 2006 03:07:41 -0800 Subject: [PATCH] refactor capable() to one implementation, add __capable() helper Move capable() to kernel/capability.c and eliminate duplicate implementations. Add __capable() function which can be used to check for capabiilty of any process. Signed-off-by: Chris Wright Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/capability.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'kernel/capability.c') diff --git a/kernel/capability.c b/kernel/capability.c index bfa3c92e16f2..1a4d8a40d3f9 100644 --- a/kernel/capability.c +++ b/kernel/capability.c @@ -233,3 +233,19 @@ out: return ret; } + +int __capable(struct task_struct *t, int cap) +{ + if (security_capable(t, cap) == 0) { + t->flags |= PF_SUPERPRIV; + return 1; + } + return 0; +} +EXPORT_SYMBOL(__capable); + +int capable(int cap) +{ + return __capable(current, cap); +} +EXPORT_SYMBOL(capable); -- cgit v1.2.3