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authorOndrej Mosnacek <omosnace@redhat.com>2021-12-06 14:24:06 +0100
committerPaul Moore <paul@paul-moore.com>2021-12-06 13:46:24 -0500
commit52f982f00b220d097a71a23c149a1d18efc08e63 (patch)
tree4bb91b2e13ea2f991987cfa96815b1928813033d /security
parent5fe375728983b3fca6b958434a2e3f547bbbb2aa (diff)
downloadlinux-rt-52f982f00b220d097a71a23c149a1d18efc08e63.tar.gz
security,selinux: remove security_add_mnt_opt()
Its last user has been removed in commit f2aedb713c28 ("NFS: Add fs_context support."). Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com> Reviewed-by: Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security')
-rw-r--r--security/security.c8
-rw-r--r--security/selinux/hooks.c39
2 files changed, 0 insertions, 47 deletions
diff --git a/security/security.c b/security/security.c
index edb922b8bf4a..3d4eb474f35b 100644
--- a/security/security.c
+++ b/security/security.c
@@ -994,14 +994,6 @@ int security_sb_clone_mnt_opts(const struct super_block *oldsb,
}
EXPORT_SYMBOL(security_sb_clone_mnt_opts);
-int security_add_mnt_opt(const char *option, const char *val, int len,
- void **mnt_opts)
-{
- return call_int_hook(sb_add_mnt_opt, -EINVAL,
- option, val, len, mnt_opts);
-}
-EXPORT_SYMBOL(security_add_mnt_opt);
-
int security_move_mount(const struct path *from_path, const struct path *to_path)
{
return call_int_hook(move_mount, 0, from_path, to_path);
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 726175254f60..818ce976ff6c 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1010,44 +1010,6 @@ Einval:
return -EINVAL;
}
-static int selinux_add_mnt_opt(const char *option, const char *val, int len,
- void **mnt_opts)
-{
- int token = Opt_error;
- int rc, i;
-
- for (i = 0; i < ARRAY_SIZE(tokens); i++) {
- if (strcmp(option, tokens[i].name) == 0) {
- token = tokens[i].opt;
- break;
- }
- }
-
- if (token == Opt_error)
- return -EINVAL;
-
- if (token != Opt_seclabel) {
- val = kmemdup_nul(val, len, GFP_KERNEL);
- if (!val) {
- rc = -ENOMEM;
- goto free_opt;
- }
- }
- rc = selinux_add_opt(token, val, mnt_opts);
- if (unlikely(rc)) {
- kfree(val);
- goto free_opt;
- }
- return rc;
-
-free_opt:
- if (*mnt_opts) {
- selinux_free_mnt_opts(*mnt_opts);
- *mnt_opts = NULL;
- }
- return rc;
-}
-
static int show_sid(struct seq_file *m, u32 sid)
{
char *context = NULL;
@@ -7285,7 +7247,6 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
LSM_HOOK_INIT(fs_context_dup, selinux_fs_context_dup),
LSM_HOOK_INIT(fs_context_parse_param, selinux_fs_context_parse_param),
LSM_HOOK_INIT(sb_eat_lsm_opts, selinux_sb_eat_lsm_opts),
- LSM_HOOK_INIT(sb_add_mnt_opt, selinux_add_mnt_opt),
#ifdef CONFIG_SECURITY_NETWORK_XFRM
LSM_HOOK_INIT(xfrm_policy_clone_security, selinux_xfrm_policy_clone),
#endif