tracing/boot: Fix trace_boot_hist_add_array() to check array is value

[linux-2.6-microblaze.git] / kernel / trace / trace_boot.c

diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index 388e65d..a6be48b 100644 (file)
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -219,13 +219,12 @@ static int __init
 trace_boot_hist_add_array(struct xbc_node *hnode, char **bufp,
                          char *end, const char *key)
 {
-       struct xbc_node *knode, *anode;
+       struct xbc_node *anode;
        const char *p;
        char sep;
 
-       knode = xbc_node_find_child(hnode, key);
-       if (knode) {
-               anode = xbc_node_get_child(knode);
+       p = xbc_node_find_value(hnode, key, &anode);
+       if (p) {
                if (!anode) {
                        pr_err("hist.%s requires value(s).\n", key);
                        return -EINVAL;