X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-context-nice.c;fp=lttng-context-nice.c;h=9b99b54924650b1da1b510bb4255da2380d3f193;hp=bfe688ef1084c1b1c8a327f383ef01dbf1281240;hb=44252f0fd51fd4bf28926dcef525355bceb08c5f;hpb=96ba7208aa8009345a525148e32f78cd8d4693ab

diff --git a/lttng-context-nice.c b/lttng-context-nice.c
index bfe688ef..9b99b549 100644
--- a/lttng-context-nice.c
+++ b/lttng-context-nice.c
@@ -44,6 +44,10 @@ int lttng_add_nice_to_ctx(struct lttng_ctx **ctx)
 	field = lttng_append_context(ctx);
 	if (!field)
 		return -ENOMEM;
+	if (lttng_find_context(*ctx, "nice")) {
+		lttng_remove_context_field(ctx, field);
+		return -EEXIST;
+	}
 	field->event_field.name = "nice";
 	field->event_field.type.atype = atype_integer;
 	field->event_field.type.u.basic.integer.size = sizeof(int) * CHAR_BIT;