函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\selinux\hooks.c Create Date:2022-07-27 20:29:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：selinux_fs_context_dup

函数原型：static int selinux_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc)

返回类型：int

参数：

类型参数名称
struct fs_context *fc
struct fs_context *src_fc
2784  src等于Linux S&M options
2787  如果非src则返回:0
2790  Linux S&M options 等于分配内存并置零
2791  如果非Linux S&M options 则返回:负ENOMEM
2794  opts等于Linux S&M options
2796  如果fscontext则
2797  fscontext等于kstrdup - allocate space for and copy an existing string*@s: the string to duplicate*@gfp: the GFP mask used in the kmalloc() call when allocating memory* Return: newly allocated copy of @s or %NULL in case of error
2798  如果非fscontext则返回:负ENOMEM
2801  如果context则
2802  context等于kstrdup - allocate space for and copy an existing string*@s: the string to duplicate*@gfp: the GFP mask used in the kmalloc() call when allocating memory* Return: newly allocated copy of @s or %NULL in case of error
2803  如果非context则返回:负ENOMEM
2806  如果rootcontext则
2807  rootcontext等于kstrdup - allocate space for and copy an existing string*@s: the string to duplicate*@gfp: the GFP mask used in the kmalloc() call when allocating memory* Return: newly allocated copy of @s or %NULL in case of error
2808  如果非rootcontext则返回:负ENOMEM
2811  如果defcontext则
2812  defcontext等于kstrdup - allocate space for and copy an existing string*@s: the string to duplicate*@gfp: the GFP mask used in the kmalloc() call when allocating memory* Return: newly allocated copy of @s or %NULL in case of error
2813  如果非defcontext则返回:负ENOMEM
2816  返回:0