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-rw-r--r--include/linux/lsm_hook_defs.h2
-rw-r--r--security/security.c15
2 files changed, 14 insertions, 3 deletions
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index a5a724c308d8..819ec92dc2a8 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -80,7 +80,7 @@ LSM_HOOK(int, 0, sb_clone_mnt_opts, const struct super_block *oldsb,
unsigned long *set_kern_flags)
LSM_HOOK(int, 0, move_mount, const struct path *from_path,
const struct path *to_path)
-LSM_HOOK(int, 0, dentry_init_security, struct dentry *dentry,
+LSM_HOOK(int, -EOPNOTSUPP, dentry_init_security, struct dentry *dentry,
int mode, const struct qstr *name, const char **xattr_name,
void **ctx, u32 *ctxlen)
LSM_HOOK(int, 0, dentry_create_files_as, struct dentry *dentry, int mode,
diff --git a/security/security.c b/security/security.c
index 3d4eb474f35b..22261d79f333 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1048,8 +1048,19 @@ int security_dentry_init_security(struct dentry *dentry, int mode,
const char **xattr_name, void **ctx,
u32 *ctxlen)
{
- return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
- name, xattr_name, ctx, ctxlen);
+ struct security_hook_list *hp;
+ int rc;
+
+ /*
+ * Only one module will provide a security context.
+ */
+ hlist_for_each_entry(hp, &security_hook_heads.dentry_init_security, list) {
+ rc = hp->hook.dentry_init_security(dentry, mode, name,
+ xattr_name, ctx, ctxlen);
+ if (rc != LSM_RET_DEFAULT(dentry_init_security))
+ return rc;
+ }
+ return LSM_RET_DEFAULT(dentry_init_security);
}
EXPORT_SYMBOL(security_dentry_init_security);