Fix context duplicate name check

[lttng-modules.git] / ltt-context.c

diff --git a/ltt-context.c b/ltt-context.c
index 634694b968d4c06f6cf5066b684c80efc10d68d9..e9a45f3c50a4de6480a7fc3528d80c40a8895ff1 100644 (file)
--- a/ltt-context.c
+++ b/ltt-context.c
@@ -16,6 +16,21 @@
 #include "ltt-events.h"
 #include "ltt-tracer.h"
 
+int lttng_find_context(struct lttng_ctx *ctx, const char *name)
+{
+       unsigned int i;
+
+       for (i = 0; i < ctx->nr_fields; i++) {
+               /* Skip allocated (but non-initialized) contexts */
+               if (!ctx->fields[i].event_field.name)
+                       continue;
+               if (!strcmp(ctx->fields[i].event_field.name, name))
+                       return 1;
+       }
+       return 0;
+}
+EXPORT_SYMBOL_GPL(lttng_find_context);
+
 struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx_p)
 {
        struct lttng_ctx_field *field;