tracing: checking for NULL instead of IS_ERR()

tracing_map_elt_alloc() returns ERR_PTRs on error, never NULL. Fixes: 08d43a5 ('tracing: Add lock-free tracing_map') Link: http://lkml.kernel.org/r/20160423102347.GA11136@mwanda Acked-by: Tom Zanussi <[email protected]> Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Steven Rostedt <[email protected]>
chewitt · Apr 26, 2016 · 4812952 · 4812952
1 parent 2055062
commit 4812952
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c
@@ -814,7 +814,7 @@ static struct tracing_map_elt *copy_elt(struct tracing_map_elt *elt)
 	unsigned int i;
 
 	dup_elt = tracing_map_elt_alloc(elt->map);
-	if (!dup_elt)
+	if (IS_ERR(dup_elt))
 		return NULL;
 
 	if (elt->map->ops && elt->map->ops->elt_copy)