mm/mempolicy.c: avoid use uninitialized preferred_node

[pandora-kernel.git] / kernel / tracepoint.c

diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 41b25a0..088fbc5 100644 (file)
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -638,6 +638,9 @@ static int tracepoint_module_coming(struct module *mod)
        struct tp_module *tp_mod, *iter;
        int ret = 0;
 
+       if (!mod->num_tracepoints)
+               return 0;
+
        /*
         * We skip modules that taint the kernel, especially those with different
         * module headers (for forced load), to make sure we don't cause a crash.
@@ -681,6 +684,9 @@ static int tracepoint_module_going(struct module *mod)
 {
        struct tp_module *pos;
 
+       if (!mod->num_tracepoints)
+               return 0;
+
        mutex_lock(&tracepoints_mutex);
        tracepoint_update_probe_range(mod->tracepoints_ptrs,
                mod->tracepoints_ptrs + mod->num_tracepoints);