tracing: Have the histogram compare functions convert to u64 first

[mirror_ubuntu-bionic-kernel.git] / kernel / trace / tracing_map.c

diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c
index 07e75344725ba254f5c42a314659142f0fd48528..4ccdf92e1b3613ce5eb27aec9538516faab47342 100644 (file)
--- a/kernel/trace/tracing_map.c
+++ b/kernel/trace/tracing_map.c
@@ -90,8 +90,8 @@ static int tracing_map_cmp_atomic64(void *val_a, void *val_b)
 #define DEFINE_TRACING_MAP_CMP_FN(type)                                        \
 static int tracing_map_cmp_##type(void *val_a, void *val_b)            \
 {                                                                      \
-       type a = *(type *)val_a;                                        \
-       type b = *(type *)val_b;                                        \
+       type a = (type)(*(u64 *)val_a);                                 \
+       type b = (type)(*(u64 *)val_b);                                 \
                                                                        \
        return (a > b) ? 1 : ((a < b) ? -1 : 0);                        \
 }