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new helper: security_sb_eat_lsm_opts()

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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
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15
fs/btrfs/super.c
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@@ -1461,20 +1461,7 @@ out:
static int parse_security_options(char *orig_opts,
struct security_mnt_opts *sec_opts)
{
char *secdata = NULL;
int ret = 0;
secdata = alloc_secdata();
if (!secdata)
return -ENOMEM;
ret = security_sb_copy_data(orig_opts, secdata);
if (ret) {
free_secdata(secdata);
return ret;
}
ret = security_sb_parse_opts_str(secdata, sec_opts);
free_secdata(secdata);
return ret;
return security_sb_eat_lsm_opts(orig_opts, sec_opts);
}
static int setup_security_options(struct btrfs_fs_info *fs_info,