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capability: Remove unused has_capability

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The vanilla has_capability() function has been unused since 2018's
commit dcb569cf6a ("Smack: ptrace capability use fixes")

Remove it.

Fixup a comment in security/commoncap.c that referenced it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Serge Hallyn <sergeh@kernel.org>
This commit is contained in:
Dr. David Alan Gilbert
2024-12-19 17:28:59 +00:00
committed by Serge Hallyn
parent 2014c95afe
commit 4ae89b1fe7
3 changed files with 5 additions and 25 deletions
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16
kernel/capability.c
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@@ -285,22 +285,6 @@ bool has_ns_capability(struct task_struct *t,
return (ret == 0);
}
/**
* has_capability - Does a task have a capability in init_user_ns
* @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 to the initial user namespace, false if not.
*
* Note that this does not set PF_SUPERPRIV on the task.
*/
bool has_capability(struct task_struct *t, int cap)
{
return has_ns_capability(t, &init_user_ns, cap);
}
EXPORT_SYMBOL(has_capability);
/**
* has_ns_capability_noaudit - Does a task have a capability (unaudited)
* in a specific user ns.