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[PATCH] refactor capable() to one implementation, add __capable() helper

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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 <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Chris Wright 2006-03-25 03:07:41 -08:00 • committed by Linus Torvalds
parent 77d47582c2
commit 12b5989be1
5 changed files with 34 additions and 42 deletions
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16
kernel/capability.c
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@ -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);