[GFS2] Initialize SELinux extended attributes at inode creation time. (fcb47e0b) · Commits · 戴 / test

fs/gfs2/inode.c

+38 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		#include <linux/gfs2_ondisk.h>
		#include <linux/crc32.h>
		#include <linux/lm_interface.h>
		#include <linux/security.h>

		#include "gfs2.h"
		#include "incore.h"
		@@ -806,6 +807,39 @@ fail:
		return error;
		}

		static int gfs2_security_init(struct gfs2_inode dip, struct gfs2_inode ip)
		{
		int err;
		size_t len;
		void *value;
		char *name;
		struct gfs2_ea_request er;

		err = security_inode_init_security(&ip->i_inode, &dip->i_inode,
		&name, &value, &len);

		if (err) {
		if (err == -EOPNOTSUPP)
		return 0;
		return err;
		}

		memset(&er, 0, sizeof(struct gfs2_ea_request));

		er.er_type = GFS2_EATYPE_SECURITY;
		er.er_name = name;
		er.er_data = value;
		er.er_name_len = strlen(name);
		er.er_data_len = len;

		err = gfs2_ea_set_i(ip, &er);

		kfree(value);
		kfree(name);

		return err;
		}

		/**
		* gfs2_createi - Create a new inode
		* @ghs: An array of two holders
		@@ -897,6 +931,10 @@ struct inode gfs2_createi(struct gfs2_holder ghs, const struct qstr *name,
		if (error)
		goto fail_iput;

		error = gfs2_security_init(dip, GFS2_I(inode));
		if (error)
		goto fail_iput;

		error = link_dinode(dip, name, GFS2_I(inode));
		if (error)
		goto fail_iput;