SELinux: silence build warning when !CONFIG_BUG

If one builds a kernel without CONFIG_BUG there are a number of 'may be
used uninitialized' warnings.  Silence these by returning after the BUG().

Signed-off-by: Eric Paris <eparis@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index d52a925..7a630a8 100644 (file)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -989,6 +989,7 @@ static void selinux_write_opts(struct seq_file *m,
                        continue;
                default:
                        BUG();
+                       return;
                };
                /* we need a comma before each option */
                seq_putc(m, ',');
@@ -1442,6 +1443,7 @@ static int task_has_capability(struct task_struct *tsk,
                printk(KERN_ERR
                       "SELinux:  out of range capability %d\n", cap);
                BUG();
+               return -EINVAL;
        }
 
        rc = avc_has_perm_noaudit(sid, sid, sclass, av, 0, &avd);

diff --git a/security/selinux/netnode.c b/security/selinux/netnode.c
index 65ebfe9..3618251 100644 (file)
--- a/security/selinux/netnode.c
+++ b/security/selinux/netnode.c
@@ -141,6 +141,7 @@ static struct sel_netnode *sel_netnode_find(const void *addr, u16 family)
                break;
        default:
                BUG();
+               return NULL;
        }
 
        list_for_each_entry_rcu(node, &sel_netnode_hash[idx].list, list)