Messages in this thread Patch in this message |  | | From | Lance Roy <> | Subject | [PATCH 15/16] apparmor: Replace spin_is_locked() with lockdep | Date | Tue, 2 Oct 2018 22:39:01 -0700 |
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lockdep_assert_held() is better suited to checking locking requirements, since it won't get confused when someone else holds the lock. This is also a step towards possibly removing spin_is_locked().
Signed-off-by: Lance Roy <ldr709@gmail.com> Cc: John Johansen <john.johansen@canonical.com> Cc: James Morris <jmorris@namei.org> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: <linux-security-module@vger.kernel.org> --- security/apparmor/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/security/apparmor/file.c b/security/apparmor/file.c index 4285943f7260..d0afed9ebd0e 100644 --- a/security/apparmor/file.c +++ b/security/apparmor/file.c @@ -496,7 +496,7 @@ static void update_file_ctx(struct aa_file_ctx *fctx, struct aa_label *label, /* update caching of label on file_ctx */ spin_lock(&fctx->lock); old = rcu_dereference_protected(fctx->label, - spin_is_locked(&fctx->lock)); + lockdep_is_held(&fctx->lock)); l = aa_label_merge(old, label, GFP_ATOMIC); if (l) { if (l != old) { -- 2.19.0
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