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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-25 09:11:19 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-25 09:11:19 +0200
commitc2312ff575fcaed96889d5bb5392afcc604c9442 (patch)
tree475d63360ee17732fac41c7c1e4a1636ed92e7cb /security/security.c
parentMerge tag 'iio-for-5.8c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next (diff)
parentLinux 5.7-rc7 (diff)
Merge 5.7-rc7 into staging-next
We need the staging/iio fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'security/security.c')
-rw-r--r--security/security.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/security/security.c b/security/security.c
index 7fed24b9d57e..51de970fbb1e 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1965,8 +1965,20 @@ EXPORT_SYMBOL(security_ismaclabel);
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
- return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
- seclen);
+ struct security_hook_list *hp;
+ int rc;
+
+ /*
+ * Currently, only one LSM can implement secid_to_secctx (i.e this
+ * LSM hook is not "stackable").
+ */
+ hlist_for_each_entry(hp, &security_hook_heads.secid_to_secctx, list) {
+ rc = hp->hook.secid_to_secctx(secid, secdata, seclen);
+ if (rc != LSM_RET_DEFAULT(secid_to_secctx))
+ return rc;
+ }
+
+ return LSM_RET_DEFAULT(secid_to_secctx);
}
EXPORT_SYMBOL(security_secid_to_secctx);