GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

new helper: security_sb_eat_lsm_opts()

Browse source 
combination of alloc_secdata(), security_sb_copy_data(),
security_sb_parse_opt_str() and free_secdata().

Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-11-17 12:09:18 -05:00
parent c039bc3c24
commit f5c0c26d90
6 changed files with 20 additions and 77 deletions
Download patch file Download diff file Expand all files Collapse all files

15
security/security.c
View file

@ -384,11 +384,20 @@ void security_sb_free(struct super_block *sb)
call_void_hook(sb_free_security, sb);
}
int security_sb_copy_data(char *orig, char *copy)
int security_sb_eat_lsm_opts(char *options, struct security_mnt_opts *opts)
{
return call_int_hook(sb_copy_data, 0, orig, copy);
char *s = (char *)get_zeroed_page(GFP_KERNEL);
int err;
if (!s)
return -ENOMEM;
err = call_int_hook(sb_copy_data, 0, options, s);
if (!err)
err = call_int_hook(sb_parse_opts_str, 0, s, opts);
free_page((unsigned long)s);
return err;
}
EXPORT_SYMBOL(security_sb_copy_data);
EXPORT_SYMBOL(security_sb_eat_lsm_opts);
int security_sb_remount(struct super_block *sb,
struct security_mnt_opts *opts)