Fix: bytecode linker: iteration on wrong list head

[lttng-ust.git] / liblttng-ust / lttng-bytecode.c

diff --git a/liblttng-ust/lttng-bytecode.c b/liblttng-ust/lttng-bytecode.c
index 6cc3179d3df19aa9e468e976eb8fed629ca58d07..81c83ceff614e4fab9958b12089a963c8b07679e 100644 (file)
--- a/liblttng-ust/lttng-bytecode.c
+++ b/liblttng-ust/lttng-bytecode.c
@@ -398,6 +398,7 @@ static
 int link_bytecode(const struct lttng_event_desc *event_desc,
                struct lttng_ctx **ctx,
                struct lttng_ust_bytecode_node *bytecode,
+               struct cds_list_head *bytecode_runtime_head,
                struct cds_list_head *insert_loc)
 {
        int ret, offset, next_offset;
@@ -408,7 +409,7 @@ int link_bytecode(const struct lttng_event_desc *event_desc,
        if (!bytecode)
                return 0;
        /* Bytecode already linked */
-       if (bytecode_is_linked(bytecode, insert_loc))
+       if (bytecode_is_linked(bytecode, bytecode_runtime_head))
                return 0;
 
        dbg_printf("Linking...\n");
@@ -577,7 +578,7 @@ void lttng_enabler_link_bytecode(const struct lttng_event_desc *event_desc,
                insert_loc = instance_bytecode_head;
        add_within:
                dbg_printf("linking bytecode\n");
-               ret = link_bytecode(event_desc, ctx, enabler_bc, insert_loc);
+               ret = link_bytecode(event_desc, ctx, enabler_bc, instance_bytecode_head, insert_loc);
                if (ret) {
                        dbg_printf("[lttng filter] warning: cannot link event bytecode\n");
                }