write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/security/apparmor/include/task.h
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@@ -1,20 +1,19 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * AppArmor security module
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  *
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  * This file contains AppArmor task related definitions and mediation
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  *
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  * Copyright 2017 Canonical Ltd.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as
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- * published by the Free Software Foundation, version 2 of the
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- * License.
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  */
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 #ifndef __AA_TASK_H
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 #define __AA_TASK_H
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-#define task_ctx(X) ((X)->security)
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+static inline struct aa_task_ctx *task_ctx(struct task_struct *task)
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+{
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+	return task->security + apparmor_blob_sizes.lbs_task;
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+}
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 /*
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  * struct aa_task_ctx - information for current task label change
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@@ -37,17 +36,6 @@
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 struct aa_label *aa_get_task_label(struct task_struct *task);
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 /**
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- * aa_alloc_task_ctx - allocate a new task_ctx
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- * @flags: gfp flags for allocation
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- *
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- * Returns: allocated buffer or NULL on failure
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- */
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-static inline struct aa_task_ctx *aa_alloc_task_ctx(gfp_t flags)
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-{
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-	return kzalloc(sizeof(struct aa_task_ctx), flags);
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-}
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-
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-/**
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  * aa_free_task_ctx - free a task_ctx
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  * @ctx: task_ctx to free (MAYBE NULL)
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  */
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@@ -57,8 +45,6 @@
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 		aa_put_label(ctx->nnp);
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 		aa_put_label(ctx->previous);
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 		aa_put_label(ctx->onexec);
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-
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-		kzfree(ctx);
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 	}
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 }
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