linux-kernel - [PATCH v3 2/8] capability: use new capable

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Date:   Wed, 15 Jun 2022 17:26:16 +0200
From:   Christian Göttsche <cgzones@...glemail.com>
To:     selinux@...r.kernel.org
Cc:     Serge Hallyn <serge@...lyn.com>,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/8] capability: use new capable_any functionality

Use the new added capable_any function in appropriate cases, where a
task is required to have any of two capabilities.

Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
---
v3:
  - rename to capable_any()
  - simplify checkpoint_restore_ns_capable()
---
 include/linux/capability.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/include/linux/capability.h b/include/linux/capability.h
index 7316d5339a6e..092cb9773079 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -266,18 +266,17 @@ extern bool file_ns_capable(const struct file *file, struct user_namespace *ns,
 extern bool ptracer_capable(struct task_struct *tsk, struct user_namespace *ns);
 static inline bool perfmon_capable(void)
 {
-	return capable(CAP_PERFMON) || capable(CAP_SYS_ADMIN);
+	return capable_any(CAP_PERFMON, CAP_SYS_ADMIN);
 }
 
 static inline bool bpf_capable(void)
 {
-	return capable(CAP_BPF) || capable(CAP_SYS_ADMIN);
+	return capable_any(CAP_BPF, CAP_SYS_ADMIN);
 }
 
 static inline bool checkpoint_restore_ns_capable(struct user_namespace *ns)
 {
-	return ns_capable(ns, CAP_CHECKPOINT_RESTORE) ||
-		ns_capable(ns, CAP_SYS_ADMIN);
+	return ns_capable_any(ns, CAP_CHECKPOINT_RESTORE, CAP_SYS_ADMIN);
 }
 
 /* audit system wants to get cap info from files as well */
-- 
2.36.1