Fix: handle missing ftrace header on v4.12

[lttng-modules.git] / probes / lttng-tracepoint-event-impl.h

diff --git a/probes/lttng-tracepoint-event-impl.h b/probes/lttng-tracepoint-event-impl.h
index e1c408298fea396ceda470dcc12f8a10a735654d..7ec0d757e62bc75abaa4a6b39b4cec73b924ba2d 100644 (file)
--- a/probes/lttng-tracepoint-event-impl.h
+++ b/probes/lttng-tracepoint-event-impl.h
@@ -1130,7 +1130,7 @@ static void __event_probe__##_name(void *__data, _proto)                \
        struct lib_ring_buffer_ctx __ctx;                                     \
        ssize_t __event_len;                                                  \
        size_t __event_align;                                                 \
-       size_t __orig_dynamic_len_offset, __dynamic_len_idx;                  \
+       size_t __orig_dynamic_len_offset, __dynamic_len_idx __attribute__((unused)); \
        union {                                                               \
                size_t __dynamic_len_removed[ARRAY_SIZE(__event_fields___##_name)];   \
                char __filter_stack_data[2 * sizeof(unsigned long) * ARRAY_SIZE(__event_fields___##_name)]; \
@@ -1150,7 +1150,7 @@ static void __event_probe__##_name(void *__data, _proto)                \
        if (unlikely(!ACCESS_ONCE(__event->enabled)))                         \
                return;                                                       \
        __lpf = lttng_rcu_dereference(__session->pid_tracker);                \
-       if (__lpf && likely(!lttng_pid_tracker_lookup(__lpf, current->pid)))  \
+       if (__lpf && likely(!lttng_pid_tracker_lookup(__lpf, current->tgid))) \
                return;                                                       \
        __orig_dynamic_len_offset = this_cpu_ptr(&lttng_dynamic_len_stack)->offset; \
        __dynamic_len_idx = __orig_dynamic_len_offset;                        \
@@ -1204,7 +1204,7 @@ static void __event_probe__##_name(void *__data)                        \
        struct lib_ring_buffer_ctx __ctx;                                     \
        ssize_t __event_len;                                                  \
        size_t __event_align;                                                 \
-       size_t __orig_dynamic_len_offset, __dynamic_len_idx;                  \
+       size_t __orig_dynamic_len_offset, __dynamic_len_idx __attribute__((unused)); \
        union {                                                               \
                size_t __dynamic_len_removed[ARRAY_SIZE(__event_fields___##_name)];   \
                char __filter_stack_data[2 * sizeof(unsigned long) * ARRAY_SIZE(__event_fields___##_name)]; \