net: hsr: fix possible NULL deref in hsr_handle_frame()

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / kernel / tracepoint.c

diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index ecd536d..eda85bb 100644 (file)
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -202,7 +202,7 @@ static int tracepoint_add_func(struct tracepoint *tp,
                        lockdep_is_held(&tracepoints_mutex));
        old = func_add(&tp_funcs, func, prio);
        if (IS_ERR(old)) {
-               WARN_ON_ONCE(1);
+               WARN_ON_ONCE(PTR_ERR(old) != -ENOMEM);
                return PTR_ERR(old);
        }
 
@@ -235,7 +235,7 @@ static int tracepoint_remove_func(struct tracepoint *tp,
                        lockdep_is_held(&tracepoints_mutex));
        old = func_remove(&tp_funcs, func);
        if (IS_ERR(old)) {
-               WARN_ON_ONCE(1);
+               WARN_ON_ONCE(PTR_ERR(old) != -ENOMEM);
                return PTR_ERR(old);
        }